Home / 8,492,036.70-12,738,055.05-5,657,684.70

Finding the Fourth Proportional to 8,492,036.70, 12,738,055.05 and 5,657,684.70

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Solution

The fourth proportional to 8,492,036.70, 12,738,055.05 and 5,657,684.70 is: 8,486,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492,036.70 : 12,738,055.05 = 5,657,684.70 : x
  2. Step 2: Convert to fraction form
    8,492,036.70/12,738,055.05 = 5,657,684.70/x
  3. Step 3: Cross multiply
    8,492,036.70x = 12,738,055.05 × 5,657,684.70
  4. Step 4: Simplify right side
    8,492,036.70x = 72,067,899,164,142.73
  5. Step 5: Solve for x
    x = 72,067,899,164,142.73/8,492,036.70
  6. Step 6: Final answer
    x = 8,486,527.05

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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.