Home / 7,910,521.16-10,916,749.49-4,472,688.38

Finding the Fourth Proportional to 7,910,521.16, 10,916,749.49 and 4,472,688.38

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Solution

The fourth proportional to 7,910,521.16, 10,916,749.49 and 4,472,688.38 is: 6,172,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910,521.16 : 10,916,749.49 = 4,472,688.38 : x
  2. Step 2: Convert to fraction form
    7,910,521.16/10,916,749.49 = 4,472,688.38/x
  3. Step 3: Cross multiply
    7,910,521.16x = 10,916,749.49 × 4,472,688.38
  4. Step 4: Simplify right side
    7,910,521.16x = 48,827,218,514,346.73
  5. Step 5: Solve for x
    x = 48,827,218,514,346.73/7,910,521.16
  6. Step 6: Final answer
    x = 6,172,440.17

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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.