Home / 12,366,961.60-18,550,442.40-10,382,915.20

Finding the Fourth Proportional to 12,366,961.60, 18,550,442.40 and 10,382,915.20

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Solution

The fourth proportional to 12,366,961.60, 18,550,442.40 and 10,382,915.20 is: 15,574,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,961.60 : 18,550,442.40 = 10,382,915.20 : x
  2. Step 2: Convert to fraction form
    12,366,961.60/18,550,442.40 = 10,382,915.20/x
  3. Step 3: Cross multiply
    12,366,961.60x = 18,550,442.40 × 10,382,915.20
  4. Step 4: Simplify right side
    12,366,961.60x = 192,607,670,361,684.44
  5. Step 5: Solve for x
    x = 192,607,670,361,684.44/12,366,961.60
  6. Step 6: Final answer
    x = 15,574,372.80

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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.