Home / 8,422,983.86-11,623,815.70-4,752,075.20

Finding the Fourth Proportional to 8,422,983.86, 11,623,815.70 and 4,752,075.20

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Solution

The fourth proportional to 8,422,983.86, 11,623,815.70 and 4,752,075.20 is: 6,557,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422,983.86 : 11,623,815.70 = 4,752,075.20 : x
  2. Step 2: Convert to fraction form
    8,422,983.86/11,623,815.70 = 4,752,075.20/x
  3. Step 3: Cross multiply
    8,422,983.86x = 11,623,815.70 × 4,752,075.20
  4. Step 4: Simplify right side
    8,422,983.86x = 55,237,246,247,341.38
  5. Step 5: Solve for x
    x = 55,237,246,247,341.38/8,422,983.86
  6. Step 6: Final answer
    x = 6,557,919.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.