Home / 30,674,809.32-42,326,034.54-18,284,680.62

Finding the Fourth Proportional to 30,674,809.32, 42,326,034.54 and 18,284,680.62

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Solution

The fourth proportional to 30,674,809.32, 42,326,034.54 and 18,284,680.62 is: 25,229,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,674,809.32 : 42,326,034.54 = 18,284,680.62 : x
  2. Step 2: Convert to fraction form
    30,674,809.32/42,326,034.54 = 18,284,680.62/x
  3. Step 3: Cross multiply
    30,674,809.32x = 42,326,034.54 × 18,284,680.62
  4. Step 4: Simplify right side
    30,674,809.32x = 773,918,023,474,988.62
  5. Step 5: Solve for x
    x = 773,918,023,474,988.62/30,674,809.32
  6. Step 6: Final answer
    x = 25,229,758.25

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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.