Home / 13,426,455.10-20,139,682.65-3,842,146.30

Finding the Fourth Proportional to 13,426,455.10, 20,139,682.65 and 3,842,146.30

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Solution

The fourth proportional to 13,426,455.10, 20,139,682.65 and 3,842,146.30 is: 5,763,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,455.10 : 20,139,682.65 = 3,842,146.30 : x
  2. Step 2: Convert to fraction form
    13,426,455.10/20,139,682.65 = 3,842,146.30/x
  3. Step 3: Cross multiply
    13,426,455.10x = 20,139,682.65 × 3,842,146.30
  4. Step 4: Simplify right side
    13,426,455.10x = 77,379,607,176,871.69
  5. Step 5: Solve for x
    x = 77,379,607,176,871.69/13,426,455.10
  6. Step 6: Final answer
    x = 5,763,219.45

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Double scale
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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.