Home / 47,476,679.57-71,205,054.69-13,390,053.83

Finding the Fourth Proportional to 47,476,679.57, 71,205,054.69 and 13,390,053.83

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Solution

The fourth proportional to 47,476,679.57, 71,205,054.69 and 13,390,053.83 is: 20,082,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,476,679.57 : 71,205,054.69 = 13,390,053.83 : x
  2. Step 2: Convert to fraction form
    47,476,679.57/71,205,054.69 = 13,390,053.83/x
  3. Step 3: Cross multiply
    47,476,679.57x = 71,205,054.69 × 13,390,053.83
  4. Step 4: Simplify right side
    47,476,679.57x = 953,439,514,911,168.62
  5. Step 5: Solve for x
    x = 953,439,514,911,168.62/47,476,679.57
  6. Step 6: Final answer
    x = 20,082,270.36

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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.