Home / 8,159,591.20-12,239,386.80-7,277,792.80

Finding the Fourth Proportional to 8,159,591.20, 12,239,386.80 and 7,277,792.80

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Solution

The fourth proportional to 8,159,591.20, 12,239,386.80 and 7,277,792.80 is: 10,916,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159,591.20 : 12,239,386.80 = 7,277,792.80 : x
  2. Step 2: Convert to fraction form
    8,159,591.20/12,239,386.80 = 7,277,792.80/x
  3. Step 3: Cross multiply
    8,159,591.20x = 12,239,386.80 × 7,277,792.80
  4. Step 4: Simplify right side
    8,159,591.20x = 89,075,721,129,455.05
  5. Step 5: Solve for x
    x = 89,075,721,129,455.05/8,159,591.20
  6. Step 6: Final answer
    x = 10,916,689.20

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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.