Home / 15,609,832.18-21,527,334.16-13,404,002.11

Finding the Fourth Proportional to 15,609,832.18, 21,527,334.16 and 13,404,002.11

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Solution

The fourth proportional to 15,609,832.18, 21,527,334.16 and 13,404,002.11 is: 18,485,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609,832.18 : 21,527,334.16 = 13,404,002.11 : x
  2. Step 2: Convert to fraction form
    15,609,832.18/21,527,334.16 = 13,404,002.11/x
  3. Step 3: Cross multiply
    15,609,832.18x = 21,527,334.16 × 13,404,002.11
  4. Step 4: Simplify right side
    15,609,832.18x = 288,552,432,415,986.75
  5. Step 5: Solve for x
    x = 288,552,432,415,986.75/15,609,832.18
  6. Step 6: Final answer
    x = 18,485,300.11

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1.5x scale

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.