Home / 6,290,164.17-8,678,338.52-5,126,609.70

Finding the Fourth Proportional to 6,290,164.17, 8,678,338.52 and 5,126,609.70

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Solution

The fourth proportional to 6,290,164.17, 8,678,338.52 and 5,126,609.70 is: 7,073,019.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290,164.17 : 8,678,338.52 = 5,126,609.70 : x
  2. Step 2: Convert to fraction form
    6,290,164.17/8,678,338.52 = 5,126,609.70/x
  3. Step 3: Cross multiply
    6,290,164.17x = 8,678,338.52 × 5,126,609.70
  4. Step 4: Simplify right side
    6,290,164.17x = 44,490,454,410,882.60
  5. Step 5: Solve for x
    x = 44,490,454,410,882.60/6,290,164.17
  6. Step 6: Final answer
    x = 7,073,019.59

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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.