Home / 13,484,515.60-20,229,397.80-3,900,206.80

Finding the Fourth Proportional to 13,484,515.60, 20,229,397.80 and 3,900,206.80

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Solution

The fourth proportional to 13,484,515.60, 20,229,397.80 and 3,900,206.80 is: 5,851,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,515.60 : 20,229,397.80 = 3,900,206.80 : x
  2. Step 2: Convert to fraction form
    13,484,515.60/20,229,397.80 = 3,900,206.80/x
  3. Step 3: Cross multiply
    13,484,515.60x = 20,229,397.80 × 3,900,206.80
  4. Step 4: Simplify right side
    13,484,515.60x = 78,898,834,859,465.05
  5. Step 5: Solve for x
    x = 78,898,834,859,465.05/13,484,515.60
  6. Step 6: Final answer
    x = 5,851,069.27

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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.