Home / 42,442,962.09-63,664,363.72-13,299,032.22

Finding the Fourth Proportional to 42,442,962.09, 63,664,363.72 and 13,299,032.22

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Solution

The fourth proportional to 42,442,962.09, 63,664,363.72 and 13,299,032.22 is: 19,948,523.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,442,962.09 : 63,664,363.72 = 13,299,032.22 : x
  2. Step 2: Convert to fraction form
    42,442,962.09/63,664,363.72 = 13,299,032.22/x
  3. Step 3: Cross multiply
    42,442,962.09x = 63,664,363.72 × 13,299,032.22
  4. Step 4: Simplify right side
    42,442,962.09x = 846,674,424,378,079.12
  5. Step 5: Solve for x
    x = 846,674,424,378,079.12/42,442,962.09
  6. Step 6: Final answer
    x = 19,948,523.45

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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.