Home / 7,205,463.86-9,943,528.49-3,942,291.75

Finding the Fourth Proportional to 7,205,463.86, 9,943,528.49 and 3,942,291.75

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Solution

The fourth proportional to 7,205,463.86, 9,943,528.49 and 3,942,291.75 is: 5,440,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205,463.86 : 9,943,528.49 = 3,942,291.75 : x
  2. Step 2: Convert to fraction form
    7,205,463.86/9,943,528.49 = 3,942,291.75/x
  3. Step 3: Cross multiply
    7,205,463.86x = 9,943,528.49 × 3,942,291.75
  4. Step 4: Simplify right side
    7,205,463.86x = 39,200,290,312,305.50
  5. Step 5: Solve for x
    x = 39,200,290,312,305.50/7,205,463.86
  6. Step 6: Final answer
    x = 5,440,356.24

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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.