Home / 40,778,689.44-61,158,686.95-11,631,973.65

Finding the Fourth Proportional to 40,778,689.44, 61,158,686.95 and 11,631,973.65

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Solution

The fourth proportional to 40,778,689.44, 61,158,686.95 and 11,631,973.65 is: 17,445,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,778,689.44 : 61,158,686.95 = 11,631,973.65 : x
  2. Step 2: Convert to fraction form
    40,778,689.44/61,158,686.95 = 11,631,973.65/x
  3. Step 3: Cross multiply
    40,778,689.44x = 61,158,686.95 × 11,631,973.65
  4. Step 4: Simplify right side
    40,778,689.44x = 711,396,235,070,998.88
  5. Step 5: Solve for x
    x = 711,396,235,070,998.88/40,778,689.44
  6. Step 6: Final answer
    x = 17,445,294.22

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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.