Home / 18,451,389.60-27,677,084.40-8,864,456.40

Finding the Fourth Proportional to 18,451,389.60, 27,677,084.40 and 8,864,456.40

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Solution

The fourth proportional to 18,451,389.60, 27,677,084.40 and 8,864,456.40 is: 13,296,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451,389.60 : 27,677,084.40 = 8,864,456.40 : x
  2. Step 2: Convert to fraction form
    18,451,389.60/27,677,084.40 = 8,864,456.40/x
  3. Step 3: Cross multiply
    18,451,389.60x = 27,677,084.40 × 8,864,456.40
  4. Step 4: Simplify right side
    18,451,389.60x = 245,342,307,942,920.16
  5. Step 5: Solve for x
    x = 245,342,307,942,920.16/18,451,389.60
  6. Step 6: Final answer
    x = 13,296,684.60

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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.