Home / 7,135,438.48-9,846,977.32-3,872,281.39

Finding the Fourth Proportional to 7,135,438.48, 9,846,977.32 and 3,872,281.39

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Solution

The fourth proportional to 7,135,438.48, 9,846,977.32 and 3,872,281.39 is: 5,343,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,438.48 : 9,846,977.32 = 3,872,281.39 : x
  2. Step 2: Convert to fraction form
    7,135,438.48/9,846,977.32 = 3,872,281.39/x
  3. Step 3: Cross multiply
    7,135,438.48x = 9,846,977.32 × 3,872,281.39
  4. Step 4: Simplify right side
    7,135,438.48x = 38,130,267,059,600.23
  5. Step 5: Solve for x
    x = 38,130,267,059,600.23/7,135,438.48
  6. Step 6: Final answer
    x = 5,343,787.51

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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.