Home / 7,229,731.59-9,977,131.39-3,966,487.02

Finding the Fourth Proportional to 7,229,731.59, 9,977,131.39 and 3,966,487.02

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Solution

The fourth proportional to 7,229,731.59, 9,977,131.39 and 3,966,487.02 is: 5,473,807.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229,731.59 : 9,977,131.39 = 3,966,487.02 : x
  2. Step 2: Convert to fraction form
    7,229,731.59/9,977,131.39 = 3,966,487.02/x
  3. Step 3: Cross multiply
    7,229,731.59x = 9,977,131.39 × 3,966,487.02
  4. Step 4: Simplify right side
    7,229,731.59x = 39,574,162,155,269.56
  5. Step 5: Solve for x
    x = 39,574,162,155,269.56/7,229,731.59
  6. Step 6: Final answer
    x = 5,473,807.94

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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.