Home / 7,810,870.16-11,718,175.86-3,259,387.06

Finding the Fourth Proportional to 7,810,870.16, 11,718,175.86 and 3,259,387.06

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Solution

The fourth proportional to 7,810,870.16, 11,718,175.86 and 3,259,387.06 is: 4,889,861.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810,870.16 : 11,718,175.86 = 3,259,387.06 : x
  2. Step 2: Convert to fraction form
    7,810,870.16/11,718,175.86 = 3,259,387.06/x
  3. Step 3: Cross multiply
    7,810,870.16x = 11,718,175.86 × 3,259,387.06
  4. Step 4: Simplify right side
    7,810,870.16x = 38,194,070,761,240.86
  5. Step 5: Solve for x
    x = 38,194,070,761,240.86/7,810,870.16
  6. Step 6: Final answer
    x = 4,889,861.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.