Home / 9,778,032.54-13,493,583.27-5,427,156.78

Finding the Fourth Proportional to 9,778,032.54, 13,493,583.27 and 5,427,156.78

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Solution

The fourth proportional to 9,778,032.54, 13,493,583.27 and 5,427,156.78 is: 7,489,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778,032.54 : 13,493,583.27 = 5,427,156.78 : x
  2. Step 2: Convert to fraction form
    9,778,032.54/13,493,583.27 = 5,427,156.78/x
  3. Step 3: Cross multiply
    9,778,032.54x = 13,493,583.27 × 5,427,156.78
  4. Step 4: Simplify right side
    9,778,032.54x = 73,231,791,930,275.08
  5. Step 5: Solve for x
    x = 73,231,791,930,275.08/9,778,032.54
  6. Step 6: Final answer
    x = 7,489,419.95

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1.5x scale

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.