Home / 31,786,617.60-47,646,748.80-17,387,539.20

Finding the Fourth Proportional to 31,786,617.60, 47,646,748.80 and 17,387,539.20

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Solution

The fourth proportional to 31,786,617.60, 47,646,748.80 and 17,387,539.20 is: 26,063,160.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,786,617.60 : 47,646,748.80 = 17,387,539.20 : x
  2. Step 2: Convert to fraction form
    31,786,617.60/47,646,748.80 = 17,387,539.20/x
  3. Step 3: Cross multiply
    31,786,617.60x = 47,646,748.80 × 17,387,539.20
  4. Step 4: Simplify right side
    31,786,617.60x = 828,459,712,512,552.88
  5. Step 5: Solve for x
    x = 828,459,712,512,552.88/31,786,617.60
  6. Step 6: Final answer
    x = 26,063,160.38

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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.