Home / 14,279,785.56-19,706,446.50-7,753,690.08

Finding the Fourth Proportional to 14,279,785.56, 19,706,446.50 and 7,753,690.08

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Solution

The fourth proportional to 14,279,785.56, 19,706,446.50 and 7,753,690.08 is: 10,700,278.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,785.56 : 19,706,446.50 = 7,753,690.08 : x
  2. Step 2: Convert to fraction form
    14,279,785.56/19,706,446.50 = 7,753,690.08/x
  3. Step 3: Cross multiply
    14,279,785.56x = 19,706,446.50 × 7,753,690.08
  4. Step 4: Simplify right side
    14,279,785.56x = 152,797,678,739,100.72
  5. Step 5: Solve for x
    x = 152,797,678,739,100.72/14,279,785.56
  6. Step 6: Final answer
    x = 10,700,278.24

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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.