Home / 12,456,616.86-18,692,303.85-5,267,756.70

Finding the Fourth Proportional to 12,456,616.86, 18,692,303.85 and 5,267,756.70

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Solution

The fourth proportional to 12,456,616.86, 18,692,303.85 and 5,267,756.70 is: 7,904,755.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,616.86 : 18,692,303.85 = 5,267,756.70 : x
  2. Step 2: Convert to fraction form
    12,456,616.86/18,692,303.85 = 5,267,756.70/x
  3. Step 3: Cross multiply
    12,456,616.86x = 18,692,303.85 × 5,267,756.70
  4. Step 4: Simplify right side
    12,456,616.86x = 98,466,508,844,273.31
  5. Step 5: Solve for x
    x = 98,466,508,844,273.31/12,456,616.86
  6. Step 6: Final answer
    x = 7,904,755.36

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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.