Home / 12,155,441.77-16,773,883.54-6,647,744.71

Finding the Fourth Proportional to 12,155,441.77, 16,773,883.54 and 6,647,744.71

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Solution

The fourth proportional to 12,155,441.77, 16,773,883.54 and 6,647,744.71 is: 9,173,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155,441.77 : 16,773,883.54 = 6,647,744.71 : x
  2. Step 2: Convert to fraction form
    12,155,441.77/16,773,883.54 = 6,647,744.71/x
  3. Step 3: Cross multiply
    12,155,441.77x = 16,773,883.54 × 6,647,744.71
  4. Step 4: Simplify right side
    12,155,441.77x = 111,508,495,569,191.06
  5. Step 5: Solve for x
    x = 111,508,495,569,191.06/12,155,441.77
  6. Step 6: Final answer
    x = 9,173,545.29

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1.5x scale

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.