Home / 6,663,140.60-9,195,346.80-4,087,423.22

Finding the Fourth Proportional to 6,663,140.60, 9,195,346.80 and 4,087,423.22

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Solution

The fourth proportional to 6,663,140.60, 9,195,346.80 and 4,087,423.22 is: 5,640,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663,140.60 : 9,195,346.80 = 4,087,423.22 : x
  2. Step 2: Convert to fraction form
    6,663,140.60/9,195,346.80 = 4,087,423.22/x
  3. Step 3: Cross multiply
    6,663,140.60x = 9,195,346.80 × 4,087,423.22
  4. Step 4: Simplify right side
    6,663,140.60x = 37,585,273,980,295.96
  5. Step 5: Solve for x
    x = 37,585,273,980,295.96/6,663,140.60
  6. Step 6: Final answer
    x = 5,640,774.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.