Home / 20,844,036.30-31,294,048.05-13,304,426.70

Finding the Fourth Proportional to 20,844,036.30, 31,294,048.05 and 13,304,426.70

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Solution

The fourth proportional to 20,844,036.30, 31,294,048.05 and 13,304,426.70 is: 19,974,507.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,844,036.30 : 31,294,048.05 = 13,304,426.70 : x
  2. Step 2: Convert to fraction form
    20,844,036.30/31,294,048.05 = 13,304,426.70/x
  3. Step 3: Cross multiply
    20,844,036.30x = 31,294,048.05 × 13,304,426.70
  4. Step 4: Simplify right side
    20,844,036.30x = 416,349,368,427,502.94
  5. Step 5: Solve for x
    x = 416,349,368,427,502.94/20,844,036.30
  6. Step 6: Final answer
    x = 19,974,507.93

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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.