Home / 10,502,935.20-15,745,071.60-6,238,576.80

Finding the Fourth Proportional to 10,502,935.20, 15,745,071.60 and 6,238,576.80

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Solution

The fourth proportional to 10,502,935.20, 15,745,071.60 and 6,238,576.80 is: 9,352,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,935.20 : 15,745,071.60 = 6,238,576.80 : x
  2. Step 2: Convert to fraction form
    10,502,935.20/15,745,071.60 = 6,238,576.80/x
  3. Step 3: Cross multiply
    10,502,935.20x = 15,745,071.60 × 6,238,576.80
  4. Step 4: Simplify right side
    10,502,935.20x = 98,226,838,398,098.88
  5. Step 5: Solve for x
    x = 98,226,838,398,098.88/10,502,935.20
  6. Step 6: Final answer
    x = 9,352,322.62

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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.