Home / 7,124,886.31-9,833,253.73-3,985,324.45

Finding the Fourth Proportional to 7,124,886.31, 9,833,253.73 and 3,985,324.45

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Solution

The fourth proportional to 7,124,886.31, 9,833,253.73 and 3,985,324.45 is: 5,500,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124,886.31 : 9,833,253.73 = 3,985,324.45 : x
  2. Step 2: Convert to fraction form
    7,124,886.31/9,833,253.73 = 3,985,324.45/x
  3. Step 3: Cross multiply
    7,124,886.31x = 9,833,253.73 × 3,985,324.45
  4. Step 4: Simplify right side
    7,124,886.31x = 39,188,706,527,819.51
  5. Step 5: Solve for x
    x = 39,188,706,527,819.51/7,124,886.31
  6. Step 6: Final answer
    x = 5,500,257.10

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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.