Home / 15,774,911.20-23,663,144.40-8,216,639.20

Finding the Fourth Proportional to 15,774,911.20, 23,663,144.40 and 8,216,639.20

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Solution

The fourth proportional to 15,774,911.20, 23,663,144.40 and 8,216,639.20 is: 12,325,363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,911.20 : 23,663,144.40 = 8,216,639.20 : x
  2. Step 2: Convert to fraction form
    15,774,911.20/23,663,144.40 = 8,216,639.20/x
  3. Step 3: Cross multiply
    15,774,911.20x = 23,663,144.40 × 8,216,639.20
  4. Step 4: Simplify right side
    15,774,911.20x = 194,431,519,872,300.47
  5. Step 5: Solve for x
    x = 194,431,519,872,300.47/15,774,911.20
  6. Step 6: Final answer
    x = 12,325,363.83

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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.