Home / 7,129,267.20-10,693,900.80-4,294,915.20

Finding the Fourth Proportional to 7,129,267.20, 10,693,900.80 and 4,294,915.20

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Solution

The fourth proportional to 7,129,267.20, 10,693,900.80 and 4,294,915.20 is: 6,442,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,267.20 : 10,693,900.80 = 4,294,915.20 : x
  2. Step 2: Convert to fraction form
    7,129,267.20/10,693,900.80 = 4,294,915.20/x
  3. Step 3: Cross multiply
    7,129,267.20x = 10,693,900.80 × 4,294,915.20
  4. Step 4: Simplify right side
    7,129,267.20x = 45,929,397,093,212.16
  5. Step 5: Solve for x
    x = 45,929,397,093,212.16/7,129,267.20
  6. Step 6: Final answer
    x = 6,442,372.80

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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.