Home / 7,160,297.42-9,881,419.95-3,897,323.52

Finding the Fourth Proportional to 7,160,297.42, 9,881,419.95 and 3,897,323.52

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Solution

The fourth proportional to 7,160,297.42, 9,881,419.95 and 3,897,323.52 is: 5,378,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,297.42 : 9,881,419.95 = 3,897,323.52 : x
  2. Step 2: Convert to fraction form
    7,160,297.42/9,881,419.95 = 3,897,323.52/x
  3. Step 3: Cross multiply
    7,160,297.42x = 9,881,419.95 × 3,897,323.52
  4. Step 4: Simplify right side
    7,160,297.42x = 38,511,090,382,132.22
  5. Step 5: Solve for x
    x = 38,511,090,382,132.22/7,160,297.42
  6. Step 6: Final answer
    x = 5,378,420.50

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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.