Home / 15,847,871.55-21,870,603.38-8,878,842.96

Finding the Fourth Proportional to 15,847,871.55, 21,870,603.38 and 8,878,842.96

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Solution

The fourth proportional to 15,847,871.55, 21,870,603.38 and 8,878,842.96 is: 12,253,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,847,871.55 : 21,870,603.38 = 8,878,842.96 : x
  2. Step 2: Convert to fraction form
    15,847,871.55/21,870,603.38 = 8,878,842.96/x
  3. Step 3: Cross multiply
    15,847,871.55x = 21,870,603.38 × 8,878,842.96
  4. Step 4: Simplify right side
    15,847,871.55x = 194,185,652,807,687.62
  5. Step 5: Solve for x
    x = 194,185,652,807,687.62/15,847,871.55
  6. Step 6: Final answer
    x = 12,253,106.18

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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.