Home / 25,209,793.80-37,814,690.70-15,643,855.80

Finding the Fourth Proportional to 25,209,793.80, 37,814,690.70 and 15,643,855.80

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Solution

The fourth proportional to 25,209,793.80, 37,814,690.70 and 15,643,855.80 is: 23,465,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,209,793.80 : 37,814,690.70 = 15,643,855.80 : x
  2. Step 2: Convert to fraction form
    25,209,793.80/37,814,690.70 = 15,643,855.80/x
  3. Step 3: Cross multiply
    25,209,793.80x = 37,814,690.70 × 15,643,855.80
  4. Step 4: Simplify right side
    25,209,793.80x = 591,567,568,432,401.12
  5. Step 5: Solve for x
    x = 591,567,568,432,401.12/25,209,793.80
  6. Step 6: Final answer
    x = 23,465,783.70

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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.