Home / 14,087,515.60-19,440,843.24-7,977,134.80

Finding the Fourth Proportional to 14,087,515.60, 19,440,843.24 and 7,977,134.80

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Solution

The fourth proportional to 14,087,515.60, 19,440,843.24 and 7,977,134.80 is: 11,008,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087,515.60 : 19,440,843.24 = 7,977,134.80 : x
  2. Step 2: Convert to fraction form
    14,087,515.60/19,440,843.24 = 7,977,134.80/x
  3. Step 3: Cross multiply
    14,087,515.60x = 19,440,843.24 × 7,977,134.80
  4. Step 4: Simplify right side
    14,087,515.60x = 155,082,227,151,148.75
  5. Step 5: Solve for x
    x = 155,082,227,151,148.75/14,087,515.60
  6. Step 6: Final answer
    x = 11,008,486.63

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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.