Home / 10,921,036.80-16,381,555.20-10,708,460.40

Finding the Fourth Proportional to 10,921,036.80, 16,381,555.20 and 10,708,460.40

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Solution

The fourth proportional to 10,921,036.80, 16,381,555.20 and 10,708,460.40 is: 16,062,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,036.80 : 16,381,555.20 = 10,708,460.40 : x
  2. Step 2: Convert to fraction form
    10,921,036.80/16,381,555.20 = 10,708,460.40/x
  3. Step 3: Cross multiply
    10,921,036.80x = 16,381,555.20 × 10,708,460.40
  4. Step 4: Simplify right side
    10,921,036.80x = 175,421,235,149,614.06
  5. Step 5: Solve for x
    x = 175,421,235,149,614.06/10,921,036.80
  6. Step 6: Final answer
    x = 16,062,690.60

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Similar ratio
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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.