Home / 18,565,531.10-27,848,296.65-4,920,783.43

Finding the Fourth Proportional to 18,565,531.10, 27,848,296.65 and 4,920,783.43

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Solution

The fourth proportional to 18,565,531.10, 27,848,296.65 and 4,920,783.43 is: 7,381,175.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565,531.10 : 27,848,296.65 = 4,920,783.43 : x
  2. Step 2: Convert to fraction form
    18,565,531.10/27,848,296.65 = 4,920,783.43/x
  3. Step 3: Cross multiply
    18,565,531.10x = 27,848,296.65 × 4,920,783.43
  4. Step 4: Simplify right side
    18,565,531.10x = 137,035,436,709,044.50
  5. Step 5: Solve for x
    x = 137,035,436,709,044.50/18,565,531.10
  6. Step 6: Final answer
    x = 7,381,175.15

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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.