Home / 30,718,084.75-42,390,955.31-16,589,270.03

Finding the Fourth Proportional to 30,718,084.75, 42,390,955.31 and 16,589,270.03

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Solution

The fourth proportional to 30,718,084.75, 42,390,955.31 and 16,589,270.03 is: 22,893,191.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,718,084.75 : 42,390,955.31 = 16,589,270.03 : x
  2. Step 2: Convert to fraction form
    30,718,084.75/42,390,955.31 = 16,589,270.03/x
  3. Step 3: Cross multiply
    30,718,084.75x = 42,390,955.31 × 16,589,270.03
  4. Step 4: Simplify right side
    30,718,084.75x = 703,235,004,454,842.75
  5. Step 5: Solve for x
    x = 703,235,004,454,842.75/30,718,084.75
  6. Step 6: Final answer
    x = 22,893,191.75

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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.