Home / 10,680,909.21-14,739,595.65-5,786,226.88

Finding the Fourth Proportional to 10,680,909.21, 14,739,595.65 and 5,786,226.88

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Solution

The fourth proportional to 10,680,909.21, 14,739,595.65 and 5,786,226.88 is: 7,984,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680,909.21 : 14,739,595.65 = 5,786,226.88 : x
  2. Step 2: Convert to fraction form
    10,680,909.21/14,739,595.65 = 5,786,226.88/x
  3. Step 3: Cross multiply
    10,680,909.21x = 14,739,595.65 × 5,786,226.88
  4. Step 4: Simplify right side
    10,680,909.21x = 85,286,644,550,361.08
  5. Step 5: Solve for x
    x = 85,286,644,550,361.08/10,680,909.21
  6. Step 6: Final answer
    x = 7,984,961.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.