Home / 12,112,990.32-16,716,931.56-6,957,346.80

Finding the Fourth Proportional to 12,112,990.32, 16,716,931.56 and 6,957,346.80

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Solution

The fourth proportional to 12,112,990.32, 16,716,931.56 and 6,957,346.80 is: 9,601,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,990.32 : 16,716,931.56 = 6,957,346.80 : x
  2. Step 2: Convert to fraction form
    12,112,990.32/16,716,931.56 = 6,957,346.80/x
  3. Step 3: Cross multiply
    12,112,990.32x = 16,716,931.56 × 6,957,346.80
  4. Step 4: Simplify right side
    12,112,990.32x = 116,305,490,294,785.02
  5. Step 5: Solve for x
    x = 116,305,490,294,785.02/12,112,990.32
  6. Step 6: Final answer
    x = 9,601,715.78

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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.