Home / 13,498,061.80-20,248,868.70-4,984,378.60

Finding the Fourth Proportional to 13,498,061.80, 20,248,868.70 and 4,984,378.60

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Solution

The fourth proportional to 13,498,061.80, 20,248,868.70 and 4,984,378.60 is: 7,477,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498,061.80 : 20,248,868.70 = 4,984,378.60 : x
  2. Step 2: Convert to fraction form
    13,498,061.80/20,248,868.70 = 4,984,378.60/x
  3. Step 3: Cross multiply
    13,498,061.80x = 20,248,868.70 × 4,984,378.60
  4. Step 4: Simplify right side
    13,498,061.80x = 100,928,027,822,489.81
  5. Step 5: Solve for x
    x = 100,928,027,822,489.81/13,498,061.80
  6. Step 6: Final answer
    x = 7,477,223.72

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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.