Home / 7,255,712.52-10,012,954.32-3,992,597.46

Finding the Fourth Proportional to 7,255,712.52, 10,012,954.32 and 3,992,597.46

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Solution

The fourth proportional to 7,255,712.52, 10,012,954.32 and 3,992,597.46 is: 5,509,823.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255,712.52 : 10,012,954.32 = 3,992,597.46 : x
  2. Step 2: Convert to fraction form
    7,255,712.52/10,012,954.32 = 3,992,597.46/x
  3. Step 3: Cross multiply
    7,255,712.52x = 10,012,954.32 × 3,992,597.46
  4. Step 4: Simplify right side
    7,255,712.52x = 39,977,695,985,128.03
  5. Step 5: Solve for x
    x = 39,977,695,985,128.03/7,255,712.52
  6. Step 6: Final answer
    x = 5,509,823.59

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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.