Home / 18,452,947.40-27,679,421.10-13,669,978.40

Finding the Fourth Proportional to 18,452,947.40, 27,679,421.10 and 13,669,978.40

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Solution

The fourth proportional to 18,452,947.40, 27,679,421.10 and 13,669,978.40 is: 20,504,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,947.40 : 27,679,421.10 = 13,669,978.40 : x
  2. Step 2: Convert to fraction form
    18,452,947.40/27,679,421.10 = 13,669,978.40/x
  3. Step 3: Cross multiply
    18,452,947.40x = 27,679,421.10 × 13,669,978.40
  4. Step 4: Simplify right side
    18,452,947.40x = 378,377,088,561,504.25
  5. Step 5: Solve for x
    x = 378,377,088,561,504.25/18,452,947.40
  6. Step 6: Final answer
    x = 20,504,967.60

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1.5x scale

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.