Home / 8,012,116.80-12,018,175.20-3,220,545.60

Finding the Fourth Proportional to 8,012,116.80, 12,018,175.20 and 3,220,545.60

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Solution

The fourth proportional to 8,012,116.80, 12,018,175.20 and 3,220,545.60 is: 4,830,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012,116.80 : 12,018,175.20 = 3,220,545.60 : x
  2. Step 2: Convert to fraction form
    8,012,116.80/12,018,175.20 = 3,220,545.60/x
  3. Step 3: Cross multiply
    8,012,116.80x = 12,018,175.20 × 3,220,545.60
  4. Step 4: Simplify right side
    8,012,116.80x = 38,705,081,260,389.12
  5. Step 5: Solve for x
    x = 38,705,081,260,389.12/8,012,116.80
  6. Step 6: Final answer
    x = 4,830,818.40

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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.