Home / 8,579,749.53-12,916,008.64-7,816,154.73

Finding the Fourth Proportional to 8,579,749.53, 12,916,008.64 and 7,816,154.73

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Solution

The fourth proportional to 8,579,749.53, 12,916,008.64 and 7,816,154.73 is: 11,766,488.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,749.53 : 12,916,008.64 = 7,816,154.73 : x
  2. Step 2: Convert to fraction form
    8,579,749.53/12,916,008.64 = 7,816,154.73/x
  3. Step 3: Cross multiply
    8,579,749.53x = 12,916,008.64 × 7,816,154.73
  4. Step 4: Simplify right side
    8,579,749.53x = 100,953,521,985,592.03
  5. Step 5: Solve for x
    x = 100,953,521,985,592.03/8,579,749.53
  6. Step 6: Final answer
    x = 11,766,488.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.