Home / 39,890,779.20-59,836,168.80-15,621,640.20

Finding the Fourth Proportional to 39,890,779.20, 59,836,168.80 and 15,621,640.20

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Solution

The fourth proportional to 39,890,779.20, 59,836,168.80 and 15,621,640.20 is: 23,432,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,890,779.20 : 59,836,168.80 = 15,621,640.20 : x
  2. Step 2: Convert to fraction form
    39,890,779.20/59,836,168.80 = 15,621,640.20/x
  3. Step 3: Cross multiply
    39,890,779.20x = 59,836,168.80 × 15,621,640.20
  4. Step 4: Simplify right side
    39,890,779.20x = 934,739,099,940,065.62
  5. Step 5: Solve for x
    x = 934,739,099,940,065.62/39,890,779.20
  6. Step 6: Final answer
    x = 23,432,460.30

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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.