Home / 47,476,678.83-71,205,053.60-13,390,053.09

Finding the Fourth Proportional to 47,476,678.83, 71,205,053.60 and 13,390,053.09

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Solution

The fourth proportional to 47,476,678.83, 71,205,053.60 and 13,390,053.09 is: 20,082,269.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,476,678.83 : 71,205,053.60 = 13,390,053.09 : x
  2. Step 2: Convert to fraction form
    47,476,678.83/71,205,053.60 = 13,390,053.09/x
  3. Step 3: Cross multiply
    47,476,678.83x = 71,205,053.60 × 13,390,053.09
  4. Step 4: Simplify right side
    47,476,678.83x = 953,439,448,125,404.88
  5. Step 5: Solve for x
    x = 953,439,448,125,404.88/47,476,678.83
  6. Step 6: Final answer
    x = 20,082,269.27

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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.