Home / 29,319,780.10-43,996,820.55-12,279,021.70

Finding the Fourth Proportional to 29,319,780.10, 43,996,820.55 and 12,279,021.70

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Solution

The fourth proportional to 29,319,780.10, 43,996,820.55 and 12,279,021.70 is: 18,425,715.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,319,780.10 : 43,996,820.55 = 12,279,021.70 : x
  2. Step 2: Convert to fraction form
    29,319,780.10/43,996,820.55 = 12,279,021.70/x
  3. Step 3: Cross multiply
    29,319,780.10x = 43,996,820.55 × 12,279,021.70
  4. Step 4: Simplify right side
    29,319,780.10x = 540,237,914,264,455.88
  5. Step 5: Solve for x
    x = 540,237,914,264,455.88/29,319,780.10
  6. Step 6: Final answer
    x = 18,425,715.08

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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.