Home / 28,331,943.86-42,493,161.49-7,863,742.82

Finding the Fourth Proportional to 28,331,943.86, 42,493,161.49 and 7,863,742.82

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Solution

The fourth proportional to 28,331,943.86, 42,493,161.49 and 7,863,742.82 is: 11,794,294.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,943.86 : 42,493,161.49 = 7,863,742.82 : x
  2. Step 2: Convert to fraction form
    28,331,943.86/42,493,161.49 = 7,863,742.82/x
  3. Step 3: Cross multiply
    28,331,943.86x = 42,493,161.49 × 7,863,742.82
  4. Step 4: Simplify right side
    28,331,943.86x = 334,155,293,566,088
  5. Step 5: Solve for x
    x = 334,155,293,566,088/28,331,943.86
  6. Step 6: Final answer
    x = 11,794,294.64

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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.