Home / 30,506,892.40-42,102,107.84-17,278,422.40

Finding the Fourth Proportional to 30,506,892.40, 42,102,107.84 and 17,278,422.40

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Solution

The fourth proportional to 30,506,892.40, 42,102,107.84 and 17,278,422.40 is: 23,845,693.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,506,892.40 : 42,102,107.84 = 17,278,422.40 : x
  2. Step 2: Convert to fraction form
    30,506,892.40/42,102,107.84 = 17,278,422.40/x
  3. Step 3: Cross multiply
    30,506,892.40x = 42,102,107.84 × 17,278,422.40
  4. Step 4: Simplify right side
    30,506,892.40x = 727,458,003,189,871.62
  5. Step 5: Solve for x
    x = 727,458,003,189,871.62/30,506,892.40
  6. Step 6: Final answer
    x = 23,845,693.41

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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.