Home / 7,137,810.79-9,850,191.39-3,874,627.74

Finding the Fourth Proportional to 7,137,810.79, 9,850,191.39 and 3,874,627.74

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Solution

The fourth proportional to 7,137,810.79, 9,850,191.39 and 3,874,627.74 is: 5,346,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,810.79 : 9,850,191.39 = 3,874,627.74 : x
  2. Step 2: Convert to fraction form
    7,137,810.79/9,850,191.39 = 3,874,627.74/x
  3. Step 3: Cross multiply
    7,137,810.79x = 9,850,191.39 × 3,874,627.74
  4. Step 4: Simplify right side
    7,137,810.79x = 38,165,824,767,064.95
  5. Step 5: Solve for x
    x = 38,165,824,767,064.95/7,137,810.79
  6. Step 6: Final answer
    x = 5,346,993.06

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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.