Home / 13,420,569.20-20,114,066.28-10,569,421.04

Finding the Fourth Proportional to 13,420,569.20, 20,114,066.28 and 10,569,421.04

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Solution

The fourth proportional to 13,420,569.20, 20,114,066.28 and 10,569,421.04 is: 15,840,910.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,420,569.20 : 20,114,066.28 = 10,569,421.04 : x
  2. Step 2: Convert to fraction form
    13,420,569.20/20,114,066.28 = 10,569,421.04/x
  3. Step 3: Cross multiply
    13,420,569.20x = 20,114,066.28 × 10,569,421.04
  4. Step 4: Simplify right side
    13,420,569.20x = 212,594,035,339,786.53
  5. Step 5: Solve for x
    x = 212,594,035,339,786.53/13,420,569.20
  6. Step 6: Final answer
    x = 15,840,910.48

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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.