Home / 29,505,374.86-40,712,337.05-18,918,023.52

Finding the Fourth Proportional to 29,505,374.86, 40,712,337.05 and 18,918,023.52

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Solution

The fourth proportional to 29,505,374.86, 40,712,337.05 and 18,918,023.52 is: 26,103,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,505,374.86 : 40,712,337.05 = 18,918,023.52 : x
  2. Step 2: Convert to fraction form
    29,505,374.86/40,712,337.05 = 18,918,023.52/x
  3. Step 3: Cross multiply
    29,505,374.86x = 40,712,337.05 × 18,918,023.52
  4. Step 4: Simplify right side
    29,505,374.86x = 770,196,949,567,915.62
  5. Step 5: Solve for x
    x = 770,196,949,567,915.62/29,505,374.86
  6. Step 6: Final answer
    x = 26,103,615.13

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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.