Home / 10,688,982.40-16,033,473.60-8,138,065.60

Finding the Fourth Proportional to 10,688,982.40, 16,033,473.60 and 8,138,065.60

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Solution

The fourth proportional to 10,688,982.40, 16,033,473.60 and 8,138,065.60 is: 12,207,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688,982.40 : 16,033,473.60 = 8,138,065.60 : x
  2. Step 2: Convert to fraction form
    10,688,982.40/16,033,473.60 = 8,138,065.60/x
  3. Step 3: Cross multiply
    10,688,982.40x = 16,033,473.60 × 8,138,065.60
  4. Step 4: Simplify right side
    10,688,982.40x = 130,481,459,952,668.16
  5. Step 5: Solve for x
    x = 130,481,459,952,668.16/10,688,982.40
  6. Step 6: Final answer
    x = 12,207,098.40

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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.