Home / 28,331,950.86-42,493,171.95-7,863,749.82

Finding the Fourth Proportional to 28,331,950.86, 42,493,171.95 and 7,863,749.82

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Solution

The fourth proportional to 28,331,950.86, 42,493,171.95 and 7,863,749.82 is: 11,794,305.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,950.86 : 42,493,171.95 = 7,863,749.82 : x
  2. Step 2: Convert to fraction form
    28,331,950.86/42,493,171.95 = 7,863,749.82/x
  3. Step 3: Cross multiply
    28,331,950.86x = 42,493,171.95 × 7,863,749.82
  4. Step 4: Simplify right side
    28,331,950.86x = 334,155,673,273,041.56
  5. Step 5: Solve for x
    x = 334,155,673,273,041.56/28,331,950.86
  6. Step 6: Final answer
    x = 11,794,305.13

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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.