Home / 7,719,394.08-10,645,790.40-4,819,051.92

Finding the Fourth Proportional to 7,719,394.08, 10,645,790.40 and 4,819,051.92

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Solution

The fourth proportional to 7,719,394.08, 10,645,790.40 and 4,819,051.92 is: 6,645,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719,394.08 : 10,645,790.40 = 4,819,051.92 : x
  2. Step 2: Convert to fraction form
    7,719,394.08/10,645,790.40 = 4,819,051.92/x
  3. Step 3: Cross multiply
    7,719,394.08x = 10,645,790.40 × 4,819,051.92
  4. Step 4: Simplify right side
    7,719,394.08x = 51,302,616,667,037.57
  5. Step 5: Solve for x
    x = 51,302,616,667,037.57/7,719,394.08
  6. Step 6: Final answer
    x = 6,645,938.29

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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.