Home / 15,155,581.64-20,914,711.08-8,186,259.20

Finding the Fourth Proportional to 15,155,581.64, 20,914,711.08 and 8,186,259.20

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Solution

The fourth proportional to 15,155,581.64, 20,914,711.08 and 8,186,259.20 is: 11,297,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155,581.64 : 20,914,711.08 = 8,186,259.20 : x
  2. Step 2: Convert to fraction form
    15,155,581.64/20,914,711.08 = 8,186,259.20/x
  3. Step 3: Cross multiply
    15,155,581.64x = 20,914,711.08 × 8,186,259.20
  4. Step 4: Simplify right side
    15,155,581.64x = 171,213,245,993,991.94
  5. Step 5: Solve for x
    x = 171,213,245,993,991.94/15,155,581.64
  6. Step 6: Final answer
    x = 11,297,042.24

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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.