Home / 7,122,153.31-9,828,557.68-3,859,056.36

Finding the Fourth Proportional to 7,122,153.31, 9,828,557.68 and 3,859,056.36

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Solution

The fourth proportional to 7,122,153.31, 9,828,557.68 and 3,859,056.36 is: 5,325,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,153.31 : 9,828,557.68 = 3,859,056.36 : x
  2. Step 2: Convert to fraction form
    7,122,153.31/9,828,557.68 = 3,859,056.36/x
  3. Step 3: Cross multiply
    7,122,153.31x = 9,828,557.68 × 3,859,056.36
  4. Step 4: Simplify right side
    7,122,153.31x = 37,928,958,024,630.84
  5. Step 5: Solve for x
    x = 37,928,958,024,630.84/7,122,153.31
  6. Step 6: Final answer
    x = 5,325,490.25

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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.