Home / 7,112,448-9,815,333.76-3,893,184

Finding the Fourth Proportional to 7,112,448, 9,815,333.76 and 3,893,184

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Solution

The fourth proportional to 7,112,448, 9,815,333.76 and 3,893,184 is: 5,372,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112,448 : 9,815,333.76 = 3,893,184 : x
  2. Step 2: Convert to fraction form
    7,112,448/9,815,333.76 = 3,893,184/x
  3. Step 3: Cross multiply
    7,112,448x = 9,815,333.76 × 3,893,184
  4. Step 4: Simplify right side
    7,112,448x = 38,212,900,349,091.84
  5. Step 5: Solve for x
    x = 38,212,900,349,091.84/7,112,448
  6. Step 6: Final answer
    x = 5,372,679.05

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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.