Home / 12,931,000.80-19,396,501.20-10,619,232.45

Finding the Fourth Proportional to 12,931,000.80, 19,396,501.20 and 10,619,232.45

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Solution

The fourth proportional to 12,931,000.80, 19,396,501.20 and 10,619,232.45 is: 15,928,848.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,000.80 : 19,396,501.20 = 10,619,232.45 : x
  2. Step 2: Convert to fraction form
    12,931,000.80/19,396,501.20 = 10,619,232.45/x
  3. Step 3: Cross multiply
    12,931,000.80x = 19,396,501.20 × 10,619,232.45
  4. Step 4: Simplify right side
    12,931,000.80x = 205,975,954,959,503.91
  5. Step 5: Solve for x
    x = 205,975,954,959,503.91/12,931,000.80
  6. Step 6: Final answer
    x = 15,928,848.68

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Double scale
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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.