Home / 28,723,077.30-43,079,991.74-8,248,139.87

Finding the Fourth Proportional to 28,723,077.30, 43,079,991.74 and 8,248,139.87

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Solution

The fourth proportional to 28,723,077.30, 43,079,991.74 and 8,248,139.87 is: 12,370,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723,077.30 : 43,079,991.74 = 8,248,139.87 : x
  2. Step 2: Convert to fraction form
    28,723,077.30/43,079,991.74 = 8,248,139.87/x
  3. Step 3: Cross multiply
    28,723,077.30x = 43,079,991.74 × 8,248,139.87
  4. Step 4: Simplify right side
    28,723,077.30x = 355,329,797,428,724
  5. Step 5: Solve for x
    x = 355,329,797,428,724/28,723,077.30
  6. Step 6: Final answer
    x = 12,370,881.91

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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.