Home / 7,773,131.60-11,655,323.40-2,980,977.20

Finding the Fourth Proportional to 7,773,131.60, 11,655,323.40 and 2,980,977.20

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Solution

The fourth proportional to 7,773,131.60, 11,655,323.40 and 2,980,977.20 is: 4,469,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773,131.60 : 11,655,323.40 = 2,980,977.20 : x
  2. Step 2: Convert to fraction form
    7,773,131.60/11,655,323.40 = 2,980,977.20/x
  3. Step 3: Cross multiply
    7,773,131.60x = 11,655,323.40 × 2,980,977.20
  4. Step 4: Simplify right side
    7,773,131.60x = 34,744,253,314,026.48
  5. Step 5: Solve for x
    x = 34,744,253,314,026.48/7,773,131.60
  6. Step 6: Final answer
    x = 4,469,788.38

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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.