Home / 25,429,482.50-38,140,632.26-8,155,438.70

Finding the Fourth Proportional to 25,429,482.50, 38,140,632.26 and 8,155,438.70

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Solution

The fourth proportional to 25,429,482.50, 38,140,632.26 and 8,155,438.70 is: 12,232,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429,482.50 : 38,140,632.26 = 8,155,438.70 : x
  2. Step 2: Convert to fraction form
    25,429,482.50/38,140,632.26 = 8,155,438.70/x
  3. Step 3: Cross multiply
    25,429,482.50x = 38,140,632.26 × 8,155,438.70
  4. Step 4: Simplify right side
    25,429,482.50x = 311,053,588,375,672.44
  5. Step 5: Solve for x
    x = 311,053,588,375,672.44/25,429,482.50
  6. Step 6: Final answer
    x = 12,232,006.23

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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.