Home / 20,705,167.20-31,034,422.80-9,927,631.20

Finding the Fourth Proportional to 20,705,167.20, 31,034,422.80 and 9,927,631.20

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Solution

The fourth proportional to 20,705,167.20, 31,034,422.80 and 9,927,631.20 is: 14,880,261.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,705,167.20 : 31,034,422.80 = 9,927,631.20 : x
  2. Step 2: Convert to fraction form
    20,705,167.20/31,034,422.80 = 9,927,631.20/x
  3. Step 3: Cross multiply
    20,705,167.20x = 31,034,422.80 × 9,927,631.20
  4. Step 4: Simplify right side
    20,705,167.20x = 308,098,304,063,271.38
  5. Step 5: Solve for x
    x = 308,098,304,063,271.38/20,705,167.20
  6. Step 6: Final answer
    x = 14,880,261.58

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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.