Home / 12,314,871.66-18,475,314.24-8,678,694.18

Finding the Fourth Proportional to 12,314,871.66, 18,475,314.24 and 8,678,694.18

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Solution

The fourth proportional to 12,314,871.66, 18,475,314.24 and 8,678,694.18 is: 13,020,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,314,871.66 : 18,475,314.24 = 8,678,694.18 : x
  2. Step 2: Convert to fraction form
    12,314,871.66/18,475,314.24 = 8,678,694.18/x
  3. Step 3: Cross multiply
    12,314,871.66x = 18,475,314.24 × 8,678,694.18
  4. Step 4: Simplify right side
    12,314,871.66x = 160,341,602,168,359.09
  5. Step 5: Solve for x
    x = 160,341,602,168,359.09/12,314,871.66
  6. Step 6: Final answer
    x = 13,020,160.23

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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.