Home / 7,135,323.03-9,846,752.13-3,872,137.77

Finding the Fourth Proportional to 7,135,323.03, 9,846,752.13 and 3,872,137.77

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Solution

The fourth proportional to 7,135,323.03, 9,846,752.13 and 3,872,137.77 is: 5,343,553.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,323.03 : 9,846,752.13 = 3,872,137.77 : x
  2. Step 2: Convert to fraction form
    7,135,323.03/9,846,752.13 = 3,872,137.77/x
  3. Step 3: Cross multiply
    7,135,323.03x = 9,846,752.13 × 3,872,137.77
  4. Step 4: Simplify right side
    7,135,323.03x = 38,127,980,834,400.95
  5. Step 5: Solve for x
    x = 38,127,980,834,400.95/7,135,323.03
  6. Step 6: Final answer
    x = 5,343,553.57

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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.