Home / 6,144,124.80-9,216,187.20-4,128,585.60

Finding the Fourth Proportional to 6,144,124.80, 9,216,187.20 and 4,128,585.60

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Solution

The fourth proportional to 6,144,124.80, 9,216,187.20 and 4,128,585.60 is: 6,192,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144,124.80 : 9,216,187.20 = 4,128,585.60 : x
  2. Step 2: Convert to fraction form
    6,144,124.80/9,216,187.20 = 4,128,585.60/x
  3. Step 3: Cross multiply
    6,144,124.80x = 9,216,187.20 × 4,128,585.60
  4. Step 4: Simplify right side
    6,144,124.80x = 38,049,817,760,824.32
  5. Step 5: Solve for x
    x = 38,049,817,760,824.32/6,144,124.80
  6. Step 6: Final answer
    x = 6,192,878.40

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Similar ratio
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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.