Home / 10,989,020.10-16,483,530.15-7,587,797.70

Finding the Fourth Proportional to 10,989,020.10, 16,483,530.15 and 7,587,797.70

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Solution

The fourth proportional to 10,989,020.10, 16,483,530.15 and 7,587,797.70 is: 11,381,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989,020.10 : 16,483,530.15 = 7,587,797.70 : x
  2. Step 2: Convert to fraction form
    10,989,020.10/16,483,530.15 = 7,587,797.70/x
  3. Step 3: Cross multiply
    10,989,020.10x = 16,483,530.15 × 7,587,797.70
  4. Step 4: Simplify right side
    10,989,020.10x = 125,073,692,160,050.66
  5. Step 5: Solve for x
    x = 125,073,692,160,050.66/10,989,020.10
  6. Step 6: Final answer
    x = 11,381,696.55

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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.