Home / 30,833,150.40-42,548,071.68-17,081,294.40

Finding the Fourth Proportional to 30,833,150.40, 42,548,071.68 and 17,081,294.40

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Solution

The fourth proportional to 30,833,150.40, 42,548,071.68 and 17,081,294.40 is: 23,571,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,833,150.40 : 42,548,071.68 = 17,081,294.40 : x
  2. Step 2: Convert to fraction form
    30,833,150.40/42,548,071.68 = 17,081,294.40/x
  3. Step 3: Cross multiply
    30,833,150.40x = 42,548,071.68 × 17,081,294.40
  4. Step 4: Simplify right side
    30,833,150.40x = 726,776,138,518,382.50
  5. Step 5: Solve for x
    x = 726,776,138,518,382.50/30,833,150.40
  6. Step 6: Final answer
    x = 23,571,257.85

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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.