Home / 13,317,823.22-18,381,667.24-7,812,966.52

Finding the Fourth Proportional to 13,317,823.22, 18,381,667.24 and 7,812,966.52

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Solution

The fourth proportional to 13,317,823.22, 18,381,667.24 and 7,812,966.52 is: 10,783,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317,823.22 : 18,381,667.24 = 7,812,966.52 : x
  2. Step 2: Convert to fraction form
    13,317,823.22/18,381,667.24 = 7,812,966.52/x
  3. Step 3: Cross multiply
    13,317,823.22x = 18,381,667.24 × 7,812,966.52
  4. Step 4: Simplify right side
    13,317,823.22x = 143,615,350,662,414.22
  5. Step 5: Solve for x
    x = 143,615,350,662,414.22/13,317,823.22
  6. Step 6: Final answer
    x = 10,783,695.53

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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.