Home / 19,620,520.92-27,073,440.81-11,778,370.38

Finding the Fourth Proportional to 19,620,520.92, 27,073,440.81 and 11,778,370.38

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Solution

The fourth proportional to 19,620,520.92, 27,073,440.81 and 11,778,370.38 is: 16,252,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620,520.92 : 27,073,440.81 = 11,778,370.38 : x
  2. Step 2: Convert to fraction form
    19,620,520.92/27,073,440.81 = 11,778,370.38/x
  3. Step 3: Cross multiply
    19,620,520.92x = 27,073,440.81 × 11,778,370.38
  4. Step 4: Simplify right side
    19,620,520.92x = 318,881,013,321,187.19
  5. Step 5: Solve for x
    x = 318,881,013,321,187.19/19,620,520.92
  6. Step 6: Final answer
    x = 16,252,423.40

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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.