Home / 6,943,212.80-10,400,822.40-4,815,699.20

Finding the Fourth Proportional to 6,943,212.80, 10,400,822.40 and 4,815,699.20

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Solution

The fourth proportional to 6,943,212.80, 10,400,822.40 and 4,815,699.20 is: 7,213,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943,212.80 : 10,400,822.40 = 4,815,699.20 : x
  2. Step 2: Convert to fraction form
    6,943,212.80/10,400,822.40 = 4,815,699.20/x
  3. Step 3: Cross multiply
    6,943,212.80x = 10,400,822.40 × 4,815,699.20
  4. Step 4: Simplify right side
    6,943,212.80x = 50,087,232,111,022.09
  5. Step 5: Solve for x
    x = 50,087,232,111,022.09/6,943,212.80
  6. Step 6: Final answer
    x = 7,213,840.85

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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.