Home / 15,015,152.40-22,522,728.60-13,420,829.40

Finding the Fourth Proportional to 15,015,152.40, 22,522,728.60 and 13,420,829.40

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Solution

The fourth proportional to 15,015,152.40, 22,522,728.60 and 13,420,829.40 is: 20,131,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,015,152.40 : 22,522,728.60 = 13,420,829.40 : x
  2. Step 2: Convert to fraction form
    15,015,152.40/22,522,728.60 = 13,420,829.40/x
  3. Step 3: Cross multiply
    15,015,152.40x = 22,522,728.60 × 13,420,829.40
  4. Step 4: Simplify right side
    15,015,152.40x = 302,273,698,163,100.88
  5. Step 5: Solve for x
    x = 302,273,698,163,100.88/15,015,152.40
  6. Step 6: Final answer
    x = 20,131,244.10

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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.