Home / 42,870,686.31-64,306,080.90-11,746,609.38

Finding the Fourth Proportional to 42,870,686.31, 64,306,080.90 and 11,746,609.38

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Solution

The fourth proportional to 42,870,686.31, 64,306,080.90 and 11,746,609.38 is: 17,619,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,870,686.31 : 64,306,080.90 = 11,746,609.38 : x
  2. Step 2: Convert to fraction form
    42,870,686.31/64,306,080.90 = 11,746,609.38/x
  3. Step 3: Cross multiply
    42,870,686.31x = 64,306,080.90 × 11,746,609.38
  4. Step 4: Simplify right side
    42,870,686.31x = 755,378,413,090,978.88
  5. Step 5: Solve for x
    x = 755,378,413,090,978.88/42,870,686.31
  6. Step 6: Final answer
    x = 17,619,928.16

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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.