Home / 7,447,415.70-11,171,123.55-2,898,674.40

Finding the Fourth Proportional to 7,447,415.70, 11,171,123.55 and 2,898,674.40

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Solution

The fourth proportional to 7,447,415.70, 11,171,123.55 and 2,898,674.40 is: 4,348,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,415.70 : 11,171,123.55 = 2,898,674.40 : x
  2. Step 2: Convert to fraction form
    7,447,415.70/11,171,123.55 = 2,898,674.40/x
  3. Step 3: Cross multiply
    7,447,415.70x = 11,171,123.55 × 2,898,674.40
  4. Step 4: Simplify right side
    7,447,415.70x = 32,381,449,853,622.12
  5. Step 5: Solve for x
    x = 32,381,449,853,622.12/7,447,415.70
  6. Step 6: Final answer
    x = 4,348,011.60

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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.