Home / 15,459,470.50-21,342,351.91-11,919,535.61

Finding the Fourth Proportional to 15,459,470.50, 21,342,351.91 and 11,919,535.61

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Solution

The fourth proportional to 15,459,470.50, 21,342,351.91 and 11,919,535.61 is: 16,455,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459,470.50 : 21,342,351.91 = 11,919,535.61 : x
  2. Step 2: Convert to fraction form
    15,459,470.50/21,342,351.91 = 11,919,535.61/x
  3. Step 3: Cross multiply
    15,459,470.50x = 21,342,351.91 × 11,919,535.61
  4. Step 4: Simplify right side
    15,459,470.50x = 254,390,923,592,396.50
  5. Step 5: Solve for x
    x = 254,390,923,592,396.50/15,459,470.50
  6. Step 6: Final answer
    x = 16,455,345.19

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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.