Home / 9,619,878.29-13,275,439.20-5,209,638.17

Finding the Fourth Proportional to 9,619,878.29, 13,275,439.20 and 5,209,638.17

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Solution

The fourth proportional to 9,619,878.29, 13,275,439.20 and 5,209,638.17 is: 7,189,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619,878.29 : 13,275,439.20 = 5,209,638.17 : x
  2. Step 2: Convert to fraction form
    9,619,878.29/13,275,439.20 = 5,209,638.17/x
  3. Step 3: Cross multiply
    9,619,878.29x = 13,275,439.20 × 5,209,638.17
  4. Step 4: Simplify right side
    9,619,878.29x = 69,160,234,713,457.06
  5. Step 5: Solve for x
    x = 69,160,234,713,457.06/9,619,878.29
  6. Step 6: Final answer
    x = 7,189,304.55

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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.