Home / 8,696,117.80-13,028,430.30-7,436,405.80

Finding the Fourth Proportional to 8,696,117.80, 13,028,430.30 and 7,436,405.80

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Solution

The fourth proportional to 8,696,117.80, 13,028,430.30 and 7,436,405.80 is: 11,141,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,117.80 : 13,028,430.30 = 7,436,405.80 : x
  2. Step 2: Convert to fraction form
    8,696,117.80/13,028,430.30 = 7,436,405.80/x
  3. Step 3: Cross multiply
    8,696,117.80x = 13,028,430.30 × 7,436,405.80
  4. Step 4: Simplify right side
    8,696,117.80x = 96,884,694,647,815.75
  5. Step 5: Solve for x
    x = 96,884,694,647,815.75/8,696,117.80
  6. Step 6: Final answer
    x = 11,141,143.31

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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.