Home / 19,412,037.90-29,128,554.45-8,631,002.70

Finding the Fourth Proportional to 19,412,037.90, 29,128,554.45 and 8,631,002.70

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Solution

The fourth proportional to 19,412,037.90, 29,128,554.45 and 8,631,002.70 is: 12,951,171.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412,037.90 : 29,128,554.45 = 8,631,002.70 : x
  2. Step 2: Convert to fraction form
    19,412,037.90/29,128,554.45 = 8,631,002.70/x
  3. Step 3: Cross multiply
    19,412,037.90x = 29,128,554.45 × 8,631,002.70
  4. Step 4: Simplify right side
    19,412,037.90x = 251,408,632,105,047
  5. Step 5: Solve for x
    x = 251,408,632,105,047/19,412,037.90
  6. Step 6: Final answer
    x = 12,951,171.51

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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.