Home / 14,091,658.24-19,447,687.68-7,981,173.76

Finding the Fourth Proportional to 14,091,658.24, 19,447,687.68 and 7,981,173.76

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Solution

The fourth proportional to 14,091,658.24, 19,447,687.68 and 7,981,173.76 is: 11,014,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091,658.24 : 19,447,687.68 = 7,981,173.76 : x
  2. Step 2: Convert to fraction form
    14,091,658.24/19,447,687.68 = 7,981,173.76/x
  3. Step 3: Cross multiply
    14,091,658.24x = 19,447,687.68 × 7,981,173.76
  4. Step 4: Simplify right side
    14,091,658.24x = 155,215,374,604,291.28
  5. Step 5: Solve for x
    x = 155,215,374,604,291.28/14,091,658.24
  6. Step 6: Final answer
    x = 11,014,699.05

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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.