Home / 9,981,994.12-13,775,193.14-5,398,315.40

Finding the Fourth Proportional to 9,981,994.12, 13,775,193.14 and 5,398,315.40

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Solution

The fourth proportional to 9,981,994.12, 13,775,193.14 and 5,398,315.40 is: 7,449,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,994.12 : 13,775,193.14 = 5,398,315.40 : x
  2. Step 2: Convert to fraction form
    9,981,994.12/13,775,193.14 = 5,398,315.40/x
  3. Step 3: Cross multiply
    9,981,994.12x = 13,775,193.14 × 5,398,315.40
  4. Step 4: Simplify right side
    9,981,994.12x = 74,362,837,265,636.36
  5. Step 5: Solve for x
    x = 74,362,837,265,636.36/9,981,994.12
  6. Step 6: Final answer
    x = 7,449,697.56

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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.