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Finding the Fourth Proportional to 8,585,971.60, 12,052,246.70 and 8,585,971.60

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Solution

The fourth proportional to 8,585,971.60, 12,052,246.70 and 8,585,971.60 is: 12,052,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585,971.60 : 12,052,246.70 = 8,585,971.60 : x
  2. Step 2: Convert to fraction form
    8,585,971.60/12,052,246.70 = 8,585,971.60/x
  3. Step 3: Cross multiply
    8,585,971.60x = 12,052,246.70 × 8,585,971.60
  4. Step 4: Simplify right side
    8,585,971.60x = 103,480,247,882,393.70
  5. Step 5: Solve for x
    x = 103,480,247,882,393.70/8,585,971.60
  6. Step 6: Final answer
    x = 12,052,246.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.