Home / 28,272,206.96-42,384,021.89-9,825,755.30

Finding the Fourth Proportional to 28,272,206.96, 42,384,021.89 and 9,825,755.30

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Solution

The fourth proportional to 28,272,206.96, 42,384,021.89 and 9,825,755.30 is: 14,730,191.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272,206.96 : 42,384,021.89 = 9,825,755.30 : x
  2. Step 2: Convert to fraction form
    28,272,206.96/42,384,021.89 = 9,825,755.30/x
  3. Step 3: Cross multiply
    28,272,206.96x = 42,384,021.89 × 9,825,755.30
  4. Step 4: Simplify right side
    28,272,206.96x = 416,455,027,777,814.81
  5. Step 5: Solve for x
    x = 416,455,027,777,814.81/28,272,206.96
  6. Step 6: Final answer
    x = 14,730,191.68

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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.