Home / 25,202,382.20-37,778,690.10-12,412,417.40

Finding the Fourth Proportional to 25,202,382.20, 37,778,690.10 and 12,412,417.40

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Solution

The fourth proportional to 25,202,382.20, 37,778,690.10 and 12,412,417.40 is: 18,606,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,202,382.20 : 37,778,690.10 = 12,412,417.40 : x
  2. Step 2: Convert to fraction form
    25,202,382.20/37,778,690.10 = 12,412,417.40/x
  3. Step 3: Cross multiply
    25,202,382.20x = 37,778,690.10 × 12,412,417.40
  4. Step 4: Simplify right side
    25,202,382.20x = 468,924,870,346,447.75
  5. Step 5: Solve for x
    x = 468,924,870,346,447.75/25,202,382.20
  6. Step 6: Final answer
    x = 18,606,370.88

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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.