Home / 29,319,779.60-43,996,819.80-12,279,021.20

Finding the Fourth Proportional to 29,319,779.60, 43,996,819.80 and 12,279,021.20

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Solution

The fourth proportional to 29,319,779.60, 43,996,819.80 and 12,279,021.20 is: 18,425,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,319,779.60 : 43,996,819.80 = 12,279,021.20 : x
  2. Step 2: Convert to fraction form
    29,319,779.60/43,996,819.80 = 12,279,021.20/x
  3. Step 3: Cross multiply
    29,319,779.60x = 43,996,819.80 × 12,279,021.20
  4. Step 4: Simplify right side
    29,319,779.60x = 540,237,883,056,779.69
  5. Step 5: Solve for x
    x = 540,237,883,056,779.69/29,319,779.60
  6. Step 6: Final answer
    x = 18,425,714.33

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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.