Home / 10,575,977.78-15,863,966.82-6,980,903.75

Finding the Fourth Proportional to 10,575,977.78, 15,863,966.82 and 6,980,903.75

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Solution

The fourth proportional to 10,575,977.78, 15,863,966.82 and 6,980,903.75 is: 10,471,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575,977.78 : 15,863,966.82 = 6,980,903.75 : x
  2. Step 2: Convert to fraction form
    10,575,977.78/15,863,966.82 = 6,980,903.75/x
  3. Step 3: Cross multiply
    10,575,977.78x = 15,863,966.82 × 6,980,903.75
  4. Step 4: Simplify right side
    10,575,977.78x = 110,744,825,503,273.50
  5. Step 5: Solve for x
    x = 110,744,825,503,273.50/10,575,977.78
  6. Step 6: Final answer
    x = 10,471,355.73

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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.