Home / 43,013,791.84-64,594,326.48-28,728,657.76

Finding the Fourth Proportional to 43,013,791.84, 64,594,326.48 and 28,728,657.76

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Solution

The fourth proportional to 43,013,791.84, 64,594,326.48 and 28,728,657.76 is: 43,142,169.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,013,791.84 : 64,594,326.48 = 28,728,657.76 : x
  2. Step 2: Convert to fraction form
    43,013,791.84/64,594,326.48 = 28,728,657.76/x
  3. Step 3: Cross multiply
    43,013,791.84x = 64,594,326.48 × 28,728,657.76
  4. Step 4: Simplify right side
    43,013,791.84x = 1,855,708,298,681,625.50
  5. Step 5: Solve for x
    x = 1,855,708,298,681,625.50/43,013,791.84
  6. Step 6: Final answer
    x = 43,142,169.51

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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.