Home / 15,717,586.30-21,690,236.25-8,842,068.36

Finding the Fourth Proportional to 15,717,586.30, 21,690,236.25 and 8,842,068.36

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Solution

The fourth proportional to 15,717,586.30, 21,690,236.25 and 8,842,068.36 is: 12,202,035.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717,586.30 : 21,690,236.25 = 8,842,068.36 : x
  2. Step 2: Convert to fraction form
    15,717,586.30/21,690,236.25 = 8,842,068.36/x
  3. Step 3: Cross multiply
    15,717,586.30x = 21,690,236.25 × 8,842,068.36
  4. Step 4: Simplify right side
    15,717,586.30x = 191,786,551,667,050.03
  5. Step 5: Solve for x
    x = 191,786,551,667,050.03/15,717,586.30
  6. Step 6: Final answer
    x = 12,202,035.86

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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.