Home / 20,710,374.62-28,573,983.77-12,006,810.41

Finding the Fourth Proportional to 20,710,374.62, 28,573,983.77 and 12,006,810.41

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Solution

The fourth proportional to 20,710,374.62, 28,573,983.77 and 12,006,810.41 is: 16,565,726.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,374.62 : 28,573,983.77 = 12,006,810.41 : x
  2. Step 2: Convert to fraction form
    20,710,374.62/28,573,983.77 = 12,006,810.41/x
  3. Step 3: Cross multiply
    20,710,374.62x = 28,573,983.77 × 12,006,810.41
  4. Step 4: Simplify right side
    20,710,374.62x = 343,082,405,581,903.06
  5. Step 5: Solve for x
    x = 343,082,405,581,903.06/20,710,374.62
  6. Step 6: Final answer
    x = 16,565,726.69

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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.