Home / 9,191,707.80-13,787,561.70-7,774,531.80

Finding the Fourth Proportional to 9,191,707.80, 13,787,561.70 and 7,774,531.80

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Solution

The fourth proportional to 9,191,707.80, 13,787,561.70 and 7,774,531.80 is: 11,661,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191,707.80 : 13,787,561.70 = 7,774,531.80 : x
  2. Step 2: Convert to fraction form
    9,191,707.80/13,787,561.70 = 7,774,531.80/x
  3. Step 3: Cross multiply
    9,191,707.80x = 13,787,561.70 × 7,774,531.80
  4. Step 4: Simplify right side
    9,191,707.80x = 107,191,836,881,112.05
  5. Step 5: Solve for x
    x = 107,191,836,881,112.05/9,191,707.80
  6. Step 6: Final answer
    x = 11,661,797.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.