Home / 19,208,331.20-26,509,783.20-11,061,156.80

Finding the Fourth Proportional to 19,208,331.20, 26,509,783.20 and 11,061,156.80

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Solution

The fourth proportional to 19,208,331.20, 26,509,783.20 and 11,061,156.80 is: 15,265,712.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208,331.20 : 26,509,783.20 = 11,061,156.80 : x
  2. Step 2: Convert to fraction form
    19,208,331.20/26,509,783.20 = 11,061,156.80/x
  3. Step 3: Cross multiply
    19,208,331.20x = 26,509,783.20 × 11,061,156.80
  4. Step 4: Simplify right side
    19,208,331.20x = 293,228,868,709,205.75
  5. Step 5: Solve for x
    x = 293,228,868,709,205.75/19,208,331.20
  6. Step 6: Final answer
    x = 15,265,712.86

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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.