Home / 12,445,403.73-17,175,784.98-7,551,865.47

Finding the Fourth Proportional to 12,445,403.73, 17,175,784.98 and 7,551,865.47

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Solution

The fourth proportional to 12,445,403.73, 17,175,784.98 and 7,551,865.47 is: 10,422,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445,403.73 : 17,175,784.98 = 7,551,865.47 : x
  2. Step 2: Convert to fraction form
    12,445,403.73/17,175,784.98 = 7,551,865.47/x
  3. Step 3: Cross multiply
    12,445,403.73x = 17,175,784.98 × 7,551,865.47
  4. Step 4: Simplify right side
    12,445,403.73x = 129,709,217,560,856.08
  5. Step 5: Solve for x
    x = 129,709,217,560,856.08/12,445,403.73
  6. Step 6: Final answer
    x = 10,422,258.72

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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.