Home / 15,115,943.60-22,673,915.40-8,289,879.20

Finding the Fourth Proportional to 15,115,943.60, 22,673,915.40 and 8,289,879.20

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Solution

The fourth proportional to 15,115,943.60, 22,673,915.40 and 8,289,879.20 is: 12,434,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115,943.60 : 22,673,915.40 = 8,289,879.20 : x
  2. Step 2: Convert to fraction form
    15,115,943.60/22,673,915.40 = 8,289,879.20/x
  3. Step 3: Cross multiply
    15,115,943.60x = 22,673,915.40 × 8,289,879.20
  4. Step 4: Simplify right side
    15,115,943.60x = 187,964,019,657,019.66
  5. Step 5: Solve for x
    x = 187,964,019,657,019.66/15,115,943.60
  6. Step 6: Final answer
    x = 12,434,818.80

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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.