Home / 20,686,458.38-31,029,686.96-9,754,103.23

Finding the Fourth Proportional to 20,686,458.38, 31,029,686.96 and 9,754,103.23

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Solution

The fourth proportional to 20,686,458.38, 31,029,686.96 and 9,754,103.23 is: 14,631,154.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,686,458.38 : 31,029,686.96 = 9,754,103.23 : x
  2. Step 2: Convert to fraction form
    20,686,458.38/31,029,686.96 = 9,754,103.23/x
  3. Step 3: Cross multiply
    20,686,458.38x = 31,029,686.96 × 9,754,103.23
  4. Step 4: Simplify right side
    20,686,458.38x = 302,666,769,676,080.12
  5. Step 5: Solve for x
    x = 302,666,769,676,080.12/20,686,458.38
  6. Step 6: Final answer
    x = 14,631,154.55

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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.