Home / 10,571,659.62-15,841,347.57-7,862,885.16

Finding the Fourth Proportional to 10,571,659.62, 15,841,347.57 and 7,862,885.16

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Solution

The fourth proportional to 10,571,659.62, 15,841,347.57 and 7,862,885.16 is: 11,782,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571,659.62 : 15,841,347.57 = 7,862,885.16 : x
  2. Step 2: Convert to fraction form
    10,571,659.62/15,841,347.57 = 7,862,885.16/x
  3. Step 3: Cross multiply
    10,571,659.62x = 15,841,347.57 × 7,862,885.16
  4. Step 4: Simplify right side
    10,571,659.62x = 124,558,696,722,555.06
  5. Step 5: Solve for x
    x = 124,558,696,722,555.06/10,571,659.62
  6. Step 6: Final answer
    x = 11,782,321.91

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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.