Home / 12,161,916.12-16,783,445.79-6,655,292.18

Finding the Fourth Proportional to 12,161,916.12, 16,783,445.79 and 6,655,292.18

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Solution

The fourth proportional to 12,161,916.12, 16,783,445.79 and 6,655,292.18 is: 9,184,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,916.12 : 16,783,445.79 = 6,655,292.18 : x
  2. Step 2: Convert to fraction form
    12,161,916.12/16,783,445.79 = 6,655,292.18/x
  3. Step 3: Cross multiply
    12,161,916.12x = 16,783,445.79 × 6,655,292.18
  4. Step 4: Simplify right side
    12,161,916.12x = 111,698,735,435,723.69
  5. Step 5: Solve for x
    x = 111,698,735,435,723.69/12,161,916.12
  6. Step 6: Final answer
    x = 9,184,304.05

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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.