Home / 42,266,603.28-63,355,659.60-17,688,612.60

Finding the Fourth Proportional to 42,266,603.28, 63,355,659.60 and 17,688,612.60

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Solution

The fourth proportional to 42,266,603.28, 63,355,659.60 and 17,688,612.60 is: 26,514,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,266,603.28 : 63,355,659.60 = 17,688,612.60 : x
  2. Step 2: Convert to fraction form
    42,266,603.28/63,355,659.60 = 17,688,612.60/x
  3. Step 3: Cross multiply
    42,266,603.28x = 63,355,659.60 × 17,688,612.60
  4. Step 4: Simplify right side
    42,266,603.28x = 1,120,673,718,681,871.12
  5. Step 5: Solve for x
    x = 1,120,673,718,681,871.12/42,266,603.28
  6. Step 6: Final answer
    x = 26,514,402.19

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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.