Home / 13,137,492.90-18,138,270.96-11,758,448.46

Finding the Fourth Proportional to 13,137,492.90, 18,138,270.96 and 11,758,448.46

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Solution

The fourth proportional to 13,137,492.90, 18,138,270.96 and 11,758,448.46 is: 16,234,294.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137,492.90 : 18,138,270.96 = 11,758,448.46 : x
  2. Step 2: Convert to fraction form
    13,137,492.90/18,138,270.96 = 11,758,448.46/x
  3. Step 3: Cross multiply
    13,137,492.90x = 18,138,270.96 × 11,758,448.46
  4. Step 4: Simplify right side
    13,137,492.90x = 213,277,924,236,674.75
  5. Step 5: Solve for x
    x = 213,277,924,236,674.75/13,137,492.90
  6. Step 6: Final answer
    x = 16,234,294.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.