Home / 27,218,138.10-40,827,207.15-12,072,069.60

Finding the Fourth Proportional to 27,218,138.10, 40,827,207.15 and 12,072,069.60

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Solution

The fourth proportional to 27,218,138.10, 40,827,207.15 and 12,072,069.60 is: 18,108,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218,138.10 : 40,827,207.15 = 12,072,069.60 : x
  2. Step 2: Convert to fraction form
    27,218,138.10/40,827,207.15 = 12,072,069.60/x
  3. Step 3: Cross multiply
    27,218,138.10x = 40,827,207.15 × 12,072,069.60
  4. Step 4: Simplify right side
    27,218,138.10x = 492,868,886,288,417.62
  5. Step 5: Solve for x
    x = 492,868,886,288,417.62/27,218,138.10
  6. Step 6: Final answer
    x = 18,108,104.40

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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.