Home / 10,209,260.70-15,313,891.05-9,199,522.80

Finding the Fourth Proportional to 10,209,260.70, 15,313,891.05 and 9,199,522.80

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Solution

The fourth proportional to 10,209,260.70, 15,313,891.05 and 9,199,522.80 is: 13,799,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209,260.70 : 15,313,891.05 = 9,199,522.80 : x
  2. Step 2: Convert to fraction form
    10,209,260.70/15,313,891.05 = 9,199,522.80/x
  3. Step 3: Cross multiply
    10,209,260.70x = 15,313,891.05 × 9,199,522.80
  4. Step 4: Simplify right side
    10,209,260.70x = 140,880,489,871,190.97
  5. Step 5: Solve for x
    x = 140,880,489,871,190.97/10,209,260.70
  6. Step 6: Final answer
    x = 13,799,284.20

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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.