Home / 29,032,420.75-40,064,423.92-15,979,399.34

Finding the Fourth Proportional to 29,032,420.75, 40,064,423.92 and 15,979,399.34

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Solution

The fourth proportional to 29,032,420.75, 40,064,423.92 and 15,979,399.34 is: 22,051,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,032,420.75 : 40,064,423.92 = 15,979,399.34 : x
  2. Step 2: Convert to fraction form
    29,032,420.75/40,064,423.92 = 15,979,399.34/x
  3. Step 3: Cross multiply
    29,032,420.75x = 40,064,423.92 × 15,979,399.34
  4. Step 4: Simplify right side
    29,032,420.75x = 640,205,428,904,457.62
  5. Step 5: Solve for x
    x = 640,205,428,904,457.62/29,032,420.75
  6. Step 6: Final answer
    x = 22,051,396.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.