Home / 20,639,726.24-28,482,095.76-11,347,228.64

Finding the Fourth Proportional to 20,639,726.24, 28,482,095.76 and 11,347,228.64

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Solution

The fourth proportional to 20,639,726.24, 28,482,095.76 and 11,347,228.64 is: 15,658,776.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,639,726.24 : 28,482,095.76 = 11,347,228.64 : x
  2. Step 2: Convert to fraction form
    20,639,726.24/28,482,095.76 = 11,347,228.64/x
  3. Step 3: Cross multiply
    20,639,726.24x = 28,482,095.76 × 11,347,228.64
  4. Step 4: Simplify right side
    20,639,726.24x = 323,192,852,735,094.62
  5. Step 5: Solve for x
    x = 323,192,852,735,094.62/20,639,726.24
  6. Step 6: Final answer
    x = 15,658,776.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.