Home / 9,642,785.30-13,306,164.16-5,721,865.69

Finding the Fourth Proportional to 9,642,785.30, 13,306,164.16 and 5,721,865.69

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Solution

The fourth proportional to 9,642,785.30, 13,306,164.16 and 5,721,865.69 is: 7,895,652.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,785.30 : 13,306,164.16 = 5,721,865.69 : x
  2. Step 2: Convert to fraction form
    9,642,785.30/13,306,164.16 = 5,721,865.69/x
  3. Step 3: Cross multiply
    9,642,785.30x = 13,306,164.16 × 5,721,865.69
  4. Step 4: Simplify right side
    9,642,785.30x = 76,136,084,172,611.67
  5. Step 5: Solve for x
    x = 76,136,084,172,611.67/9,642,785.30
  6. Step 6: Final answer
    x = 7,895,652.74

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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.