Home / 7,884,625.80-11,826,938.70-7,086,808.20

Finding the Fourth Proportional to 7,884,625.80, 11,826,938.70 and 7,086,808.20

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Solution

The fourth proportional to 7,884,625.80, 11,826,938.70 and 7,086,808.20 is: 10,630,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,625.80 : 11,826,938.70 = 7,086,808.20 : x
  2. Step 2: Convert to fraction form
    7,884,625.80/11,826,938.70 = 7,086,808.20/x
  3. Step 3: Cross multiply
    7,884,625.80x = 11,826,938.70 × 7,086,808.20
  4. Step 4: Simplify right side
    7,884,625.80x = 83,815,246,160,057.34
  5. Step 5: Solve for x
    x = 83,815,246,160,057.34/7,884,625.80
  6. Step 6: Final answer
    x = 10,630,212.30

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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.