Home / 9,117,807.60-13,676,711.40-8,697,903.60

Finding the Fourth Proportional to 9,117,807.60, 13,676,711.40 and 8,697,903.60

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Solution

The fourth proportional to 9,117,807.60, 13,676,711.40 and 8,697,903.60 is: 13,046,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117,807.60 : 13,676,711.40 = 8,697,903.60 : x
  2. Step 2: Convert to fraction form
    9,117,807.60/13,676,711.40 = 8,697,903.60/x
  3. Step 3: Cross multiply
    9,117,807.60x = 13,676,711.40 × 8,697,903.60
  4. Step 4: Simplify right side
    9,117,807.60x = 118,958,717,322,221.03
  5. Step 5: Solve for x
    x = 118,958,717,322,221.03/9,117,807.60
  6. Step 6: Final answer
    x = 13,046,855.40

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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.