Home / 15,362,304.48-21,200,253.12-8,486,376.48

Finding the Fourth Proportional to 15,362,304.48, 21,200,253.12 and 8,486,376.48

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Solution

The fourth proportional to 15,362,304.48, 21,200,253.12 and 8,486,376.48 is: 11,711,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362,304.48 : 21,200,253.12 = 8,486,376.48 : x
  2. Step 2: Convert to fraction form
    15,362,304.48/21,200,253.12 = 8,486,376.48/x
  3. Step 3: Cross multiply
    15,362,304.48x = 21,200,253.12 × 8,486,376.48
  4. Step 4: Simplify right side
    15,362,304.48x = 179,913,329,447,614.62
  5. Step 5: Solve for x
    x = 179,913,329,447,614.62/15,362,304.48
  6. Step 6: Final answer
    x = 11,711,350.32

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1.5x scale

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.