Home / 16,290,141.90-24,440,528.25-7,769,371.38

Finding the Fourth Proportional to 16,290,141.90, 24,440,528.25 and 7,769,371.38

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Solution

The fourth proportional to 16,290,141.90, 24,440,528.25 and 7,769,371.38 is: 11,656,592.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290,141.90 : 24,440,528.25 = 7,769,371.38 : x
  2. Step 2: Convert to fraction form
    16,290,141.90/24,440,528.25 = 7,769,371.38/x
  3. Step 3: Cross multiply
    16,290,141.90x = 24,440,528.25 × 7,769,371.38
  4. Step 4: Simplify right side
    16,290,141.90x = 189,887,540,697,631.47
  5. Step 5: Solve for x
    x = 189,887,540,697,631.47/16,290,141.90
  6. Step 6: Final answer
    x = 11,656,592.18

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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.