Home / 7,258,856.40-10,895,851.11-3,218,181.86

Finding the Fourth Proportional to 7,258,856.40, 10,895,851.11 and 3,218,181.86

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Solution

The fourth proportional to 7,258,856.40, 10,895,851.11 and 3,218,181.86 is: 4,830,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258,856.40 : 10,895,851.11 = 3,218,181.86 : x
  2. Step 2: Convert to fraction form
    7,258,856.40/10,895,851.11 = 3,218,181.86/x
  3. Step 3: Cross multiply
    7,258,856.40x = 10,895,851.11 × 3,218,181.86
  4. Step 4: Simplify right side
    7,258,856.40x = 35,064,830,391,462.86
  5. Step 5: Solve for x
    x = 35,064,830,391,462.86/7,258,856.40
  6. Step 6: Final answer
    x = 4,830,627.37

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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.