Home / 12,948,161.55-19,363,243.95-9,667,810.86

Finding the Fourth Proportional to 12,948,161.55, 19,363,243.95 and 9,667,810.86

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Solution

The fourth proportional to 12,948,161.55, 19,363,243.95 and 9,667,810.86 is: 14,457,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,161.55 : 19,363,243.95 = 9,667,810.86 : x
  2. Step 2: Convert to fraction form
    12,948,161.55/19,363,243.95 = 9,667,810.86/x
  3. Step 3: Cross multiply
    12,948,161.55x = 19,363,243.95 × 9,667,810.86
  4. Step 4: Simplify right side
    12,948,161.55x = 187,200,180,144,639.28
  5. Step 5: Solve for x
    x = 187,200,180,144,639.28/12,948,161.55
  6. Step 6: Final answer
    x = 14,457,664.85

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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.