Home / 12,145,259.68-16,753,824.75-7,789,499.26

Finding the Fourth Proportional to 12,145,259.68, 16,753,824.75 and 7,789,499.26

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Solution

The fourth proportional to 12,145,259.68, 16,753,824.75 and 7,789,499.26 is: 10,745,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,259.68 : 16,753,824.75 = 7,789,499.26 : x
  2. Step 2: Convert to fraction form
    12,145,259.68/16,753,824.75 = 7,789,499.26/x
  3. Step 3: Cross multiply
    12,145,259.68x = 16,753,824.75 × 7,789,499.26
  4. Step 4: Simplify right side
    12,145,259.68x = 130,503,905,492,294.69
  5. Step 5: Solve for x
    x = 130,503,905,492,294.69/12,145,259.68
  6. Step 6: Final answer
    x = 10,745,254.44

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Double scale
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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.