Home / 15,148,903.08-20,906,002.14-8,959,255.68

Finding the Fourth Proportional to 15,148,903.08, 20,906,002.14 and 8,959,255.68

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Solution

The fourth proportional to 15,148,903.08, 20,906,002.14 and 8,959,255.68 is: 12,364,077.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148,903.08 : 20,906,002.14 = 8,959,255.68 : x
  2. Step 2: Convert to fraction form
    15,148,903.08/20,906,002.14 = 8,959,255.68/x
  3. Step 3: Cross multiply
    15,148,903.08x = 20,906,002.14 × 8,959,255.68
  4. Step 4: Simplify right side
    15,148,903.08x = 187,302,218,463,687.47
  5. Step 5: Solve for x
    x = 187,302,218,463,687.47/15,148,903.08
  6. Step 6: Final answer
    x = 12,364,077.94

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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.