Home / 20,712,927.16-28,596,086.05-18,414,726.44

Finding the Fourth Proportional to 20,712,927.16, 28,596,086.05 and 18,414,726.44

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Solution

The fourth proportional to 20,712,927.16, 28,596,086.05 and 18,414,726.44 is: 25,423,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,712,927.16 : 28,596,086.05 = 18,414,726.44 : x
  2. Step 2: Convert to fraction form
    20,712,927.16/28,596,086.05 = 18,414,726.44/x
  3. Step 3: Cross multiply
    20,712,927.16x = 28,596,086.05 × 18,414,726.44
  4. Step 4: Simplify right side
    20,712,927.16x = 526,589,101,865,450.19
  5. Step 5: Solve for x
    x = 526,589,101,865,450.19/20,712,927.16
  6. Step 6: Final answer
    x = 25,423,210.25

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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.