Home / 12,843,376.62-17,726,434.60-7,619,284.47

Finding the Fourth Proportional to 12,843,376.62, 17,726,434.60 and 7,619,284.47

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Solution

The fourth proportional to 12,843,376.62, 17,726,434.60 and 7,619,284.47 is: 10,516,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843,376.62 : 17,726,434.60 = 7,619,284.47 : x
  2. Step 2: Convert to fraction form
    12,843,376.62/17,726,434.60 = 7,619,284.47/x
  3. Step 3: Cross multiply
    12,843,376.62x = 17,726,434.60 × 7,619,284.47
  4. Step 4: Simplify right side
    12,843,376.62x = 135,062,747,881,518.55
  5. Step 5: Solve for x
    x = 135,062,747,881,518.55/12,843,376.62
  6. Step 6: Final answer
    x = 10,516,140.10

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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.