Home / 20,160,983.55-30,241,475.33-11,657,927.55

Finding the Fourth Proportional to 20,160,983.55, 30,241,475.33 and 11,657,927.55

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Solution

The fourth proportional to 20,160,983.55, 30,241,475.33 and 11,657,927.55 is: 17,486,891.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,983.55 : 30,241,475.33 = 11,657,927.55 : x
  2. Step 2: Convert to fraction form
    20,160,983.55/30,241,475.33 = 11,657,927.55/x
  3. Step 3: Cross multiply
    20,160,983.55x = 30,241,475.33 × 11,657,927.55
  4. Step 4: Simplify right side
    20,160,983.55x = 352,552,928,402,252.31
  5. Step 5: Solve for x
    x = 352,552,928,402,252.31/20,160,983.55
  6. Step 6: Final answer
    x = 17,486,891.33

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1.5x scale

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.