Home / 10,915,078.80-16,372,666.80-2,827,479.90

Finding the Fourth Proportional to 10,915,078.80, 16,372,666.80 and 2,827,479.90

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Solution

The fourth proportional to 10,915,078.80, 16,372,666.80 and 2,827,479.90 is: 4,241,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915,078.80 : 16,372,666.80 = 2,827,479.90 : x
  2. Step 2: Convert to fraction form
    10,915,078.80/16,372,666.80 = 2,827,479.90/x
  3. Step 3: Cross multiply
    10,915,078.80x = 16,372,666.80 × 2,827,479.90
  4. Step 4: Simplify right side
    10,915,078.80x = 46,293,386,286,397.32
  5. Step 5: Solve for x
    x = 46,293,386,286,397.32/10,915,078.80
  6. Step 6: Final answer
    x = 4,241,232.44

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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.