Home / 13,532,537.80-20,299,728.30-4,309,779.40

Finding the Fourth Proportional to 13,532,537.80, 20,299,728.30 and 4,309,779.40

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Solution

The fourth proportional to 13,532,537.80, 20,299,728.30 and 4,309,779.40 is: 6,464,962.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532,537.80 : 20,299,728.30 = 4,309,779.40 : x
  2. Step 2: Convert to fraction form
    13,532,537.80/20,299,728.30 = 4,309,779.40/x
  3. Step 3: Cross multiply
    13,532,537.80x = 20,299,728.30 × 4,309,779.40
  4. Step 4: Simplify right side
    13,532,537.80x = 87,487,350,852,937.03
  5. Step 5: Solve for x
    x = 87,487,350,852,937.03/13,532,537.80
  6. Step 6: Final answer
    x = 6,464,962.61

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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.