Home / 8,587,515.10-12,881,272.65-8,167,611.10

Finding the Fourth Proportional to 8,587,515.10, 12,881,272.65 and 8,167,611.10

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Solution

The fourth proportional to 8,587,515.10, 12,881,272.65 and 8,167,611.10 is: 12,251,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587,515.10 : 12,881,272.65 = 8,167,611.10 : x
  2. Step 2: Convert to fraction form
    8,587,515.10/12,881,272.65 = 8,167,611.10/x
  3. Step 3: Cross multiply
    8,587,515.10x = 12,881,272.65 × 8,167,611.10
  4. Step 4: Simplify right side
    8,587,515.10x = 105,209,225,478,266.41
  5. Step 5: Solve for x
    x = 105,209,225,478,266.41/8,587,515.10
  6. Step 6: Final answer
    x = 12,251,416.65

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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.