Home / 28,656,072.90-42,984,109.35-18,452,405.70

Finding the Fourth Proportional to 28,656,072.90, 42,984,109.35 and 18,452,405.70

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Solution

The fourth proportional to 28,656,072.90, 42,984,109.35 and 18,452,405.70 is: 27,678,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656,072.90 : 42,984,109.35 = 18,452,405.70 : x
  2. Step 2: Convert to fraction form
    28,656,072.90/42,984,109.35 = 18,452,405.70/x
  3. Step 3: Cross multiply
    28,656,072.90x = 42,984,109.35 × 18,452,405.70
  4. Step 4: Simplify right side
    28,656,072.90x = 793,160,224,379,363.25
  5. Step 5: Solve for x
    x = 793,160,224,379,363.25/28,656,072.90
  6. Step 6: Final answer
    x = 27,678,608.55

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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.