Home / 7,111,955.73-10,667,961.28-1,720,597.51

Finding the Fourth Proportional to 7,111,955.73, 10,667,961.28 and 1,720,597.51

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Solution

The fourth proportional to 7,111,955.73, 10,667,961.28 and 1,720,597.51 is: 2,580,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,955.73 : 10,667,961.28 = 1,720,597.51 : x
  2. Step 2: Convert to fraction form
    7,111,955.73/10,667,961.28 = 1,720,597.51/x
  3. Step 3: Cross multiply
    7,111,955.73x = 10,667,961.28 × 1,720,597.51
  4. Step 4: Simplify right side
    7,111,955.73x = 18,355,267,557,503.11
  5. Step 5: Solve for x
    x = 18,355,267,557,503.11/7,111,955.73
  6. Step 6: Final answer
    x = 2,580,902.95

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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.