Home / 40,870,651.96-61,301,778.90-13,578,758.20

Finding the Fourth Proportional to 40,870,651.96, 61,301,778.90 and 13,578,758.20

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Solution

The fourth proportional to 40,870,651.96, 61,301,778.90 and 13,578,758.20 is: 20,366,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,870,651.96 : 61,301,778.90 = 13,578,758.20 : x
  2. Step 2: Convert to fraction form
    40,870,651.96/61,301,778.90 = 13,578,758.20/x
  3. Step 3: Cross multiply
    40,870,651.96x = 61,301,778.90 × 13,578,758.20
  4. Step 4: Simplify right side
    40,870,651.96x = 832,402,032,912,961.88
  5. Step 5: Solve for x
    x = 832,402,032,912,961.88/40,870,651.96
  6. Step 6: Final answer
    x = 20,366,742.22

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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.