Home / 18,591,880.20-25,657,417.70-10,332,290.63

Finding the Fourth Proportional to 18,591,880.20, 25,657,417.70 and 10,332,290.63

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Solution

The fourth proportional to 18,591,880.20, 25,657,417.70 and 10,332,290.63 is: 14,258,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,880.20 : 25,657,417.70 = 10,332,290.63 : x
  2. Step 2: Convert to fraction form
    18,591,880.20/25,657,417.70 = 10,332,290.63/x
  3. Step 3: Cross multiply
    18,591,880.20x = 25,657,417.70 × 10,332,290.63
  4. Step 4: Simplify right side
    18,591,880.20x = 265,099,896,311,757.62
  5. Step 5: Solve for x
    x = 265,099,896,311,757.62/18,591,880.20
  6. Step 6: Final answer
    x = 14,258,907.30

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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.