Home / 10,918,947.40-16,378,421.10-10,777,229.80

Finding the Fourth Proportional to 10,918,947.40, 16,378,421.10 and 10,777,229.80

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Solution

The fourth proportional to 10,918,947.40, 16,378,421.10 and 10,777,229.80 is: 16,165,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918,947.40 : 16,378,421.10 = 10,777,229.80 : x
  2. Step 2: Convert to fraction form
    10,918,947.40/16,378,421.10 = 10,777,229.80/x
  3. Step 3: Cross multiply
    10,918,947.40x = 16,378,421.10 × 10,777,229.80
  4. Step 4: Simplify right side
    10,918,947.40x = 176,514,007,955,868.78
  5. Step 5: Solve for x
    x = 176,514,007,955,868.78/10,918,947.40
  6. Step 6: Final answer
    x = 16,165,844.70

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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.