Home / 15,311,689.20-22,943,914.20-13,280,403.60

Finding the Fourth Proportional to 15,311,689.20, 22,943,914.20 and 13,280,403.60

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Solution

The fourth proportional to 15,311,689.20, 22,943,914.20 and 13,280,403.60 is: 19,900,119.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,311,689.20 : 22,943,914.20 = 13,280,403.60 : x
  2. Step 2: Convert to fraction form
    15,311,689.20/22,943,914.20 = 13,280,403.60/x
  3. Step 3: Cross multiply
    15,311,689.20x = 22,943,914.20 × 13,280,403.60
  4. Step 4: Simplify right side
    15,311,689.20x = 304,704,440,739,771.12
  5. Step 5: Solve for x
    x = 304,704,440,739,771.12/15,311,689.20
  6. Step 6: Final answer
    x = 19,900,119.23

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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.