Home / 18,152,887.20-27,229,330.80-6,638,332.20

Finding the Fourth Proportional to 18,152,887.20, 27,229,330.80 and 6,638,332.20

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Solution

The fourth proportional to 18,152,887.20, 27,229,330.80 and 6,638,332.20 is: 9,957,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152,887.20 : 27,229,330.80 = 6,638,332.20 : x
  2. Step 2: Convert to fraction form
    18,152,887.20/27,229,330.80 = 6,638,332.20/x
  3. Step 3: Cross multiply
    18,152,887.20x = 27,229,330.80 × 6,638,332.20
  4. Step 4: Simplify right side
    18,152,887.20x = 180,757,343,434,091.78
  5. Step 5: Solve for x
    x = 180,757,343,434,091.78/18,152,887.20
  6. Step 6: Final answer
    x = 9,957,498.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.