Home / 13,431,334.90-20,147,002.35-11,352,810.10

Finding the Fourth Proportional to 13,431,334.90, 20,147,002.35 and 11,352,810.10

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Solution

The fourth proportional to 13,431,334.90, 20,147,002.35 and 11,352,810.10 is: 17,029,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431,334.90 : 20,147,002.35 = 11,352,810.10 : x
  2. Step 2: Convert to fraction form
    13,431,334.90/20,147,002.35 = 11,352,810.10/x
  3. Step 3: Cross multiply
    13,431,334.90x = 20,147,002.35 × 11,352,810.10
  4. Step 4: Simplify right side
    13,431,334.90x = 228,725,091,763,803.75
  5. Step 5: Solve for x
    x = 228,725,091,763,803.75/13,431,334.90
  6. Step 6: Final answer
    x = 17,029,215.15

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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.