Home / 12,016,649.42-16,583,640.28-6,861,666.86

Finding the Fourth Proportional to 12,016,649.42, 16,583,640.28 and 6,861,666.86

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Solution

The fourth proportional to 12,016,649.42, 16,583,640.28 and 6,861,666.86 is: 9,469,479.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016,649.42 : 16,583,640.28 = 6,861,666.86 : x
  2. Step 2: Convert to fraction form
    12,016,649.42/16,583,640.28 = 6,861,666.86/x
  3. Step 3: Cross multiply
    12,016,649.42x = 16,583,640.28 × 6,861,666.86
  4. Step 4: Simplify right side
    12,016,649.42x = 113,791,414,927,437.12
  5. Step 5: Solve for x
    x = 113,791,414,927,437.12/12,016,649.42
  6. Step 6: Final answer
    x = 9,469,479.47

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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.