Home / 8,303,134.80-12,454,702.20-4,943,902.80

Finding the Fourth Proportional to 8,303,134.80, 12,454,702.20 and 4,943,902.80

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Solution

The fourth proportional to 8,303,134.80, 12,454,702.20 and 4,943,902.80 is: 7,415,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,134.80 : 12,454,702.20 = 4,943,902.80 : x
  2. Step 2: Convert to fraction form
    8,303,134.80/12,454,702.20 = 4,943,902.80/x
  3. Step 3: Cross multiply
    8,303,134.80x = 12,454,702.20 × 4,943,902.80
  4. Step 4: Simplify right side
    8,303,134.80x = 61,574,837,079,746.16
  5. Step 5: Solve for x
    x = 61,574,837,079,746.16/8,303,134.80
  6. Step 6: Final answer
    x = 7,415,854.20

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Double scale
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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.