Home / 19,561,340.20-29,342,010.30-12,286,503.40

Finding the Fourth Proportional to 19,561,340.20, 29,342,010.30 and 12,286,503.40

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Solution

The fourth proportional to 19,561,340.20, 29,342,010.30 and 12,286,503.40 is: 18,429,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561,340.20 : 29,342,010.30 = 12,286,503.40 : x
  2. Step 2: Convert to fraction form
    19,561,340.20/29,342,010.30 = 12,286,503.40/x
  3. Step 3: Cross multiply
    19,561,340.20x = 29,342,010.30 × 12,286,503.40
  4. Step 4: Simplify right side
    19,561,340.20x = 360,510,709,313,785.06
  5. Step 5: Solve for x
    x = 360,510,709,313,785.06/19,561,340.20
  6. Step 6: Final answer
    x = 18,429,755.10

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1.5x scale

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.