Home / 6,645,126.40-9,967,689.60-6,582,140.80

Finding the Fourth Proportional to 6,645,126.40, 9,967,689.60 and 6,582,140.80

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Solution

The fourth proportional to 6,645,126.40, 9,967,689.60 and 6,582,140.80 is: 9,873,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,126.40 : 9,967,689.60 = 6,582,140.80 : x
  2. Step 2: Convert to fraction form
    6,645,126.40/9,967,689.60 = 6,582,140.80/x
  3. Step 3: Cross multiply
    6,645,126.40x = 9,967,689.60 × 6,582,140.80
  4. Step 4: Simplify right side
    6,645,126.40x = 65,608,736,397,895.67
  5. Step 5: Solve for x
    x = 65,608,736,397,895.67/6,645,126.40
  6. Step 6: Final answer
    x = 9,873,211.20

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Double scale
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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.