Home / 8,702,548.89-12,006,898.48-5,216,615.76

Finding the Fourth Proportional to 8,702,548.89, 12,006,898.48 and 5,216,615.76

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Solution

The fourth proportional to 8,702,548.89, 12,006,898.48 and 5,216,615.76 is: 7,197,359.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,548.89 : 12,006,898.48 = 5,216,615.76 : x
  2. Step 2: Convert to fraction form
    8,702,548.89/12,006,898.48 = 5,216,615.76/x
  3. Step 3: Cross multiply
    8,702,548.89x = 12,006,898.48 × 5,216,615.76
  4. Step 4: Simplify right side
    8,702,548.89x = 62,635,375,839,488.05
  5. Step 5: Solve for x
    x = 62,635,375,839,488.05/8,702,548.89
  6. Step 6: Final answer
    x = 7,197,359.83

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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.