Home / 20,320,008.94-28,034,373.18-12,053,739.40

Finding the Fourth Proportional to 20,320,008.94, 28,034,373.18 and 12,053,739.40

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Solution

The fourth proportional to 20,320,008.94, 28,034,373.18 and 12,053,739.40 is: 16,629,866.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,320,008.94 : 28,034,373.18 = 12,053,739.40 : x
  2. Step 2: Convert to fraction form
    20,320,008.94/28,034,373.18 = 12,053,739.40/x
  3. Step 3: Cross multiply
    20,320,008.94x = 28,034,373.18 × 12,053,739.40
  4. Step 4: Simplify right side
    20,320,008.94x = 337,919,028,554,069.31
  5. Step 5: Solve for x
    x = 337,919,028,554,069.31/20,320,008.94
  6. Step 6: Final answer
    x = 16,629,866.14

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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.