Home / 10,867,721.12-14,991,210.06-6,786,254.24

Finding the Fourth Proportional to 10,867,721.12, 14,991,210.06 and 6,786,254.24

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Solution

The fourth proportional to 10,867,721.12, 14,991,210.06 and 6,786,254.24 is: 9,361,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,721.12 : 14,991,210.06 = 6,786,254.24 : x
  2. Step 2: Convert to fraction form
    10,867,721.12/14,991,210.06 = 6,786,254.24/x
  3. Step 3: Cross multiply
    10,867,721.12x = 14,991,210.06 × 6,786,254.24
  4. Step 4: Simplify right side
    10,867,721.12x = 101,734,162,832,405.66
  5. Step 5: Solve for x
    x = 101,734,162,832,405.66/10,867,721.12
  6. Step 6: Final answer
    x = 9,361,131.16

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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.