Home / 9,981,907.02-13,775,073.21-5,398,228.40

Finding the Fourth Proportional to 9,981,907.02, 13,775,073.21 and 5,398,228.40

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Solution

The fourth proportional to 9,981,907.02, 13,775,073.21 and 5,398,228.40 is: 7,449,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,907.02 : 13,775,073.21 = 5,398,228.40 : x
  2. Step 2: Convert to fraction form
    9,981,907.02/13,775,073.21 = 5,398,228.40/x
  3. Step 3: Cross multiply
    9,981,907.02x = 13,775,073.21 × 5,398,228.40
  4. Step 4: Simplify right side
    9,981,907.02x = 74,360,991,414,301.17
  5. Step 5: Solve for x
    x = 74,360,991,414,301.17/9,981,907.02
  6. Step 6: Final answer
    x = 7,449,577.65

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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.