Home / 15,779,620.20-23,669,430.30-13,086,985.80

Finding the Fourth Proportional to 15,779,620.20, 23,669,430.30 and 13,086,985.80

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Solution

The fourth proportional to 15,779,620.20, 23,669,430.30 and 13,086,985.80 is: 19,630,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,620.20 : 23,669,430.30 = 13,086,985.80 : x
  2. Step 2: Convert to fraction form
    15,779,620.20/23,669,430.30 = 13,086,985.80/x
  3. Step 3: Cross multiply
    15,779,620.20x = 23,669,430.30 × 13,086,985.80
  4. Step 4: Simplify right side
    15,779,620.20x = 309,761,498,230,189.75
  5. Step 5: Solve for x
    x = 309,761,498,230,189.75/15,779,620.20
  6. Step 6: Final answer
    x = 19,630,478.70

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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.