Home / 10,206,871.20-15,310,306.80-6,805,648.80

Finding the Fourth Proportional to 10,206,871.20, 15,310,306.80 and 6,805,648.80

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Solution

The fourth proportional to 10,206,871.20, 15,310,306.80 and 6,805,648.80 is: 10,208,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206,871.20 : 15,310,306.80 = 6,805,648.80 : x
  2. Step 2: Convert to fraction form
    10,206,871.20/15,310,306.80 = 6,805,648.80/x
  3. Step 3: Cross multiply
    10,206,871.20x = 15,310,306.80 × 6,805,648.80
  4. Step 4: Simplify right side
    10,206,871.20x = 104,196,571,101,051.84
  5. Step 5: Solve for x
    x = 104,196,571,101,051.84/10,206,871.20
  6. Step 6: Final answer
    x = 10,208,473.20

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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.