Home / 27,551,540.16-38,021,475.20-15,163,059.96

Finding the Fourth Proportional to 27,551,540.16, 38,021,475.20 and 15,163,059.96

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Solution

The fourth proportional to 27,551,540.16, 38,021,475.20 and 15,163,059.96 is: 20,925,215.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,551,540.16 : 38,021,475.20 = 15,163,059.96 : x
  2. Step 2: Convert to fraction form
    27,551,540.16/38,021,475.20 = 15,163,059.96/x
  3. Step 3: Cross multiply
    27,551,540.16x = 38,021,475.20 × 15,163,059.96
  4. Step 4: Simplify right side
    27,551,540.16x = 576,521,908,149,437.75
  5. Step 5: Solve for x
    x = 576,521,908,149,437.75/27,551,540.16
  6. Step 6: Final answer
    x = 20,925,215.24

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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.