Home / 18,915,210-28,370,154.96-6,135,827.04

Finding the Fourth Proportional to 18,915,210, 28,370,154.96 and 6,135,827.04

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Solution

The fourth proportional to 18,915,210, 28,370,154.96 and 6,135,827.04 is: 9,202,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,915,210 : 28,370,154.96 = 6,135,827.04 : x
  2. Step 2: Convert to fraction form
    18,915,210/28,370,154.96 = 6,135,827.04/x
  3. Step 3: Cross multiply
    18,915,210x = 28,370,154.96 × 6,135,827.04
  4. Step 4: Simplify right side
    18,915,210x = 174,074,363,932,558.12
  5. Step 5: Solve for x
    x = 174,074,363,932,558.12/18,915,210
  6. Step 6: Final answer
    x = 9,202,877.68

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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.