Home / 29,157,978.18-40,238,008.36-15,746,642.19

Finding the Fourth Proportional to 29,157,978.18, 40,238,008.36 and 15,746,642.19

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Solution

The fourth proportional to 29,157,978.18, 40,238,008.36 and 15,746,642.19 is: 21,730,365.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,157,978.18 : 40,238,008.36 = 15,746,642.19 : x
  2. Step 2: Convert to fraction form
    29,157,978.18/40,238,008.36 = 15,746,642.19/x
  3. Step 3: Cross multiply
    29,157,978.18x = 40,238,008.36 × 15,746,642.19
  4. Step 4: Simplify right side
    29,157,978.18x = 633,613,519,892,889.62
  5. Step 5: Solve for x
    x = 633,613,519,892,889.62/29,157,978.18
  6. Step 6: Final answer
    x = 21,730,365.39

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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.