Home / 10,852,582.40-16,278,873.60-8,340,915.20

Finding the Fourth Proportional to 10,852,582.40, 16,278,873.60 and 8,340,915.20

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Solution

The fourth proportional to 10,852,582.40, 16,278,873.60 and 8,340,915.20 is: 12,511,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,852,582.40 : 16,278,873.60 = 8,340,915.20 : x
  2. Step 2: Convert to fraction form
    10,852,582.40/16,278,873.60 = 8,340,915.20/x
  3. Step 3: Cross multiply
    10,852,582.40x = 16,278,873.60 × 8,340,915.20
  4. Step 4: Simplify right side
    10,852,582.40x = 135,780,704,249,118.72
  5. Step 5: Solve for x
    x = 135,780,704,249,118.72/10,852,582.40
  6. Step 6: Final answer
    x = 12,511,372.80

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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.