Home / 10,780,442.80-16,170,664.20-4,395,277.60

Finding the Fourth Proportional to 10,780,442.80, 16,170,664.20 and 4,395,277.60

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Solution

The fourth proportional to 10,780,442.80, 16,170,664.20 and 4,395,277.60 is: 6,592,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,442.80 : 16,170,664.20 = 4,395,277.60 : x
  2. Step 2: Convert to fraction form
    10,780,442.80/16,170,664.20 = 4,395,277.60/x
  3. Step 3: Cross multiply
    10,780,442.80x = 16,170,664.20 × 4,395,277.60
  4. Step 4: Simplify right side
    10,780,442.80x = 71,074,558,135,381.91
  5. Step 5: Solve for x
    x = 71,074,558,135,381.91/10,780,442.80
  6. Step 6: Final answer
    x = 6,592,916.40

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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.