Home / 10,656,478.80-15,984,718.20-6,830,103.60

Finding the Fourth Proportional to 10,656,478.80, 15,984,718.20 and 6,830,103.60

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Solution

The fourth proportional to 10,656,478.80, 15,984,718.20 and 6,830,103.60 is: 10,245,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,478.80 : 15,984,718.20 = 6,830,103.60 : x
  2. Step 2: Convert to fraction form
    10,656,478.80/15,984,718.20 = 6,830,103.60/x
  3. Step 3: Cross multiply
    10,656,478.80x = 15,984,718.20 × 6,830,103.60
  4. Step 4: Simplify right side
    10,656,478.80x = 109,177,281,322,805.52
  5. Step 5: Solve for x
    x = 109,177,281,322,805.52/10,656,478.80
  6. Step 6: Final answer
    x = 10,245,155.40

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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.