Home / 10,529,611.74-15,792,419.88-5,132,834.46

Finding the Fourth Proportional to 10,529,611.74, 15,792,419.88 and 5,132,834.46

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Solution

The fourth proportional to 10,529,611.74, 15,792,419.88 and 5,132,834.46 is: 7,698,277.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529,611.74 : 15,792,419.88 = 5,132,834.46 : x
  2. Step 2: Convert to fraction form
    10,529,611.74/15,792,419.88 = 5,132,834.46/x
  3. Step 3: Cross multiply
    10,529,611.74x = 15,792,419.88 × 5,132,834.46
  4. Step 4: Simplify right side
    10,529,611.74x = 81,059,876,966,853.06
  5. Step 5: Solve for x
    x = 81,059,876,966,853.06/10,529,611.74
  6. Step 6: Final answer
    x = 7,698,277.86

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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.