Home / 40,882,612.16-61,292,486.55-21,165,602.32

Finding the Fourth Proportional to 40,882,612.16, 61,292,486.55 and 21,165,602.32

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Solution

The fourth proportional to 40,882,612.16, 61,292,486.55 and 21,165,602.32 is: 31,732,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,882,612.16 : 61,292,486.55 = 21,165,602.32 : x
  2. Step 2: Convert to fraction form
    40,882,612.16/61,292,486.55 = 21,165,602.32/x
  3. Step 3: Cross multiply
    40,882,612.16x = 61,292,486.55 × 21,165,602.32
  4. Step 4: Simplify right side
    40,882,612.16x = 1,297,292,395,521,248.75
  5. Step 5: Solve for x
    x = 1,297,292,395,521,248.75/40,882,612.16
  6. Step 6: Final answer
    x = 31,732,130.78

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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.