Home / 10,267,949.25-15,409,459.50-8,270,312.31

Finding the Fourth Proportional to 10,267,949.25, 15,409,459.50 and 8,270,312.31

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Solution

The fourth proportional to 10,267,949.25, 15,409,459.50 and 8,270,312.31 is: 12,411,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267,949.25 : 15,409,459.50 = 8,270,312.31 : x
  2. Step 2: Convert to fraction form
    10,267,949.25/15,409,459.50 = 8,270,312.31/x
  3. Step 3: Cross multiply
    10,267,949.25x = 15,409,459.50 × 8,270,312.31
  4. Step 4: Simplify right side
    10,267,949.25x = 127,441,042,593,296.44
  5. Step 5: Solve for x
    x = 127,441,042,593,296.44/10,267,949.25
  6. Step 6: Final answer
    x = 12,411,538.03

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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.