Home / 15,524,077.92-21,423,369.22-8,555,005.52

Finding the Fourth Proportional to 15,524,077.92, 21,423,369.22 and 8,555,005.52

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Solution

The fourth proportional to 15,524,077.92, 21,423,369.22 and 8,555,005.52 is: 11,805,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524,077.92 : 21,423,369.22 = 8,555,005.52 : x
  2. Step 2: Convert to fraction form
    15,524,077.92/21,423,369.22 = 8,555,005.52/x
  3. Step 3: Cross multiply
    15,524,077.92x = 21,423,369.22 × 8,555,005.52
  4. Step 4: Simplify right side
    15,524,077.92x = 183,277,041,885,931.41
  5. Step 5: Solve for x
    x = 183,277,041,885,931.41/15,524,077.92
  6. Step 6: Final answer
    x = 11,805,985.70

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1.5x scale

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.