Home / 12,104,047.20-18,156,070.80-11,180,258.40

Finding the Fourth Proportional to 12,104,047.20, 18,156,070.80 and 11,180,258.40

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Solution

The fourth proportional to 12,104,047.20, 18,156,070.80 and 11,180,258.40 is: 16,770,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104,047.20 : 18,156,070.80 = 11,180,258.40 : x
  2. Step 2: Convert to fraction form
    12,104,047.20/18,156,070.80 = 11,180,258.40/x
  3. Step 3: Cross multiply
    12,104,047.20x = 18,156,070.80 × 11,180,258.40
  4. Step 4: Simplify right side
    12,104,047.20x = 202,989,563,072,694.75
  5. Step 5: Solve for x
    x = 202,989,563,072,694.75/12,104,047.20
  6. Step 6: Final answer
    x = 16,770,387.60

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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.