Home / 40,791,518.10-61,169,321.86-21,617,782.92

Finding the Fourth Proportional to 40,791,518.10, 61,169,321.86 and 21,617,782.92

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Solution

The fourth proportional to 40,791,518.10, 61,169,321.86 and 21,617,782.92 is: 32,417,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,791,518.10 : 61,169,321.86 = 21,617,782.92 : x
  2. Step 2: Convert to fraction form
    40,791,518.10/61,169,321.86 = 21,617,782.92/x
  3. Step 3: Cross multiply
    40,791,518.10x = 61,169,321.86 × 21,617,782.92
  4. Step 4: Simplify right side
    40,791,518.10x = 1,322,345,121,333,090.75
  5. Step 5: Solve for x
    x = 1,322,345,121,333,090.75/40,791,518.10
  6. Step 6: Final answer
    x = 32,417,158.83

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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.