Home / 51,463,672.40-71,016,638.28-28,258,636.88

Finding the Fourth Proportional to 51,463,672.40, 71,016,638.28 and 28,258,636.88

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Solution

The fourth proportional to 51,463,672.40, 71,016,638.28 and 28,258,636.88 is: 38,995,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,463,672.40 : 71,016,638.28 = 28,258,636.88 : x
  2. Step 2: Convert to fraction form
    51,463,672.40/71,016,638.28 = 28,258,636.88/x
  3. Step 3: Cross multiply
    51,463,672.40x = 71,016,638.28 × 28,258,636.88
  4. Step 4: Simplify right side
    51,463,672.40x = 2,006,833,393,592,827.75
  5. Step 5: Solve for x
    x = 2,006,833,393,592,827.75/51,463,672.40
  6. Step 6: Final answer
    x = 38,995,145.51

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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.