Home / 28,788,143.88-43,189,778.75-10,345,950.89

Finding the Fourth Proportional to 28,788,143.88, 43,189,778.75 and 10,345,950.89

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Solution

The fourth proportional to 28,788,143.88, 43,189,778.75 and 10,345,950.89 is: 15,521,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788,143.88 : 43,189,778.75 = 10,345,950.89 : x
  2. Step 2: Convert to fraction form
    28,788,143.88/43,189,778.75 = 10,345,950.89/x
  3. Step 3: Cross multiply
    28,788,143.88x = 43,189,778.75 × 10,345,950.89
  4. Step 4: Simplify right side
    28,788,143.88x = 446,839,329,791,748.56
  5. Step 5: Solve for x
    x = 446,839,329,791,748.56/28,788,143.88
  6. Step 6: Final answer
    x = 15,521,644.31

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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.