Home / 47,476,678.92-71,205,053.75-13,390,053.18

Finding the Fourth Proportional to 47,476,678.92, 71,205,053.75 and 13,390,053.18

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Solution

The fourth proportional to 47,476,678.92, 71,205,053.75 and 13,390,053.18 is: 20,082,269.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,476,678.92 : 71,205,053.75 = 13,390,053.18 : x
  2. Step 2: Convert to fraction form
    47,476,678.92/71,205,053.75 = 13,390,053.18/x
  3. Step 3: Cross multiply
    47,476,678.92x = 71,205,053.75 × 13,390,053.18
  4. Step 4: Simplify right side
    47,476,678.92x = 953,439,456,664,046.25
  5. Step 5: Solve for x
    x = 953,439,456,664,046.25/47,476,678.92
  6. Step 6: Final answer
    x = 20,082,269.41

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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.