Home / 13,149,116.78-19,723,675.17-3,564,246.20

Finding the Fourth Proportional to 13,149,116.78, 19,723,675.17 and 3,564,246.20

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Solution

The fourth proportional to 13,149,116.78, 19,723,675.17 and 3,564,246.20 is: 5,346,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,116.78 : 19,723,675.17 = 3,564,246.20 : x
  2. Step 2: Convert to fraction form
    13,149,116.78/19,723,675.17 = 3,564,246.20/x
  3. Step 3: Cross multiply
    13,149,116.78x = 19,723,675.17 × 3,564,246.20
  4. Step 4: Simplify right side
    13,149,116.78x = 70,300,034,274,706.87
  5. Step 5: Solve for x
    x = 70,300,034,274,706.87/13,149,116.78
  6. Step 6: Final answer
    x = 5,346,369.30

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Double scale
Find fourth proportional to 13,149,117.78, 19,723,676.67 and 3,564,247.20
Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.