Home / 7,719,817.71-10,654,626.15-4,283,165.91

Finding the Fourth Proportional to 7,719,817.71, 10,654,626.15 and 4,283,165.91

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Solution

The fourth proportional to 7,719,817.71, 10,654,626.15 and 4,283,165.91 is: 5,911,477.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719,817.71 : 10,654,626.15 = 4,283,165.91 : x
  2. Step 2: Convert to fraction form
    7,719,817.71/10,654,626.15 = 4,283,165.91/x
  3. Step 3: Cross multiply
    7,719,817.71x = 10,654,626.15 × 4,283,165.91
  4. Step 4: Simplify right side
    7,719,817.71x = 45,635,531,509,474.55
  5. Step 5: Solve for x
    x = 45,635,531,509,474.55/7,719,817.71
  6. Step 6: Final answer
    x = 5,911,477.86

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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.