Home / 28,387,283.22-42,580,924.83-8,958,478.35

Finding the Fourth Proportional to 28,387,283.22, 42,580,924.83 and 8,958,478.35

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Solution

The fourth proportional to 28,387,283.22, 42,580,924.83 and 8,958,478.35 is: 13,437,717.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,387,283.22 : 42,580,924.83 = 8,958,478.35 : x
  2. Step 2: Convert to fraction form
    28,387,283.22/42,580,924.83 = 8,958,478.35/x
  3. Step 3: Cross multiply
    28,387,283.22x = 42,580,924.83 × 8,958,478.35
  4. Step 4: Simplify right side
    28,387,283.22x = 381,460,293,212,532.38
  5. Step 5: Solve for x
    x = 381,460,293,212,532.38/28,387,283.22
  6. Step 6: Final answer
    x = 13,437,717.53

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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.