Home / 15,362,306.48-21,200,255.88-8,486,378.48

Finding the Fourth Proportional to 15,362,306.48, 21,200,255.88 and 8,486,378.48

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Solution

The fourth proportional to 15,362,306.48, 21,200,255.88 and 8,486,378.48 is: 11,711,353.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362,306.48 : 21,200,255.88 = 8,486,378.48 : x
  2. Step 2: Convert to fraction form
    15,362,306.48/21,200,255.88 = 8,486,378.48/x
  3. Step 3: Cross multiply
    15,362,306.48x = 21,200,255.88 × 8,486,378.48
  4. Step 4: Simplify right side
    15,362,306.48x = 179,913,395,270,525.47
  5. Step 5: Solve for x
    x = 179,913,395,270,525.47/15,362,306.48
  6. Step 6: Final answer
    x = 11,711,353.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.