Home / 10,878,644.23-15,034,059.80-8,915,426.44

Finding the Fourth Proportional to 10,878,644.23, 15,034,059.80 and 8,915,426.44

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Solution

The fourth proportional to 10,878,644.23, 15,034,059.80 and 8,915,426.44 is: 12,320,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878,644.23 : 15,034,059.80 = 8,915,426.44 : x
  2. Step 2: Convert to fraction form
    10,878,644.23/15,034,059.80 = 8,915,426.44/x
  3. Step 3: Cross multiply
    10,878,644.23x = 15,034,059.80 × 8,915,426.44
  4. Step 4: Simplify right side
    10,878,644.23x = 134,035,054,310,731.12
  5. Step 5: Solve for x
    x = 134,035,054,310,731.12/10,878,644.23
  6. Step 6: Final answer
    x = 12,320,933.70

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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.