Home / 13,997,710.20-20,996,565.30-3,900,331.20

Finding the Fourth Proportional to 13,997,710.20, 20,996,565.30 and 3,900,331.20

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Solution

The fourth proportional to 13,997,710.20, 20,996,565.30 and 3,900,331.20 is: 5,850,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997,710.20 : 20,996,565.30 = 3,900,331.20 : x
  2. Step 2: Convert to fraction form
    13,997,710.20/20,996,565.30 = 3,900,331.20/x
  3. Step 3: Cross multiply
    13,997,710.20x = 20,996,565.30 × 3,900,331.20
  4. Step 4: Simplify right side
    13,997,710.20x = 81,893,558,732,427.36
  5. Step 5: Solve for x
    x = 81,893,558,732,427.36/13,997,710.20
  6. Step 6: Final answer
    x = 5,850,496.80

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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.