Home / 10,148,845.17-15,236,258.64-8,718,678.39

Finding the Fourth Proportional to 10,148,845.17, 15,236,258.64 and 8,718,678.39

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Solution

The fourth proportional to 10,148,845.17, 15,236,258.64 and 8,718,678.39 is: 13,089,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148,845.17 : 15,236,258.64 = 8,718,678.39 : x
  2. Step 2: Convert to fraction form
    10,148,845.17/15,236,258.64 = 8,718,678.39/x
  3. Step 3: Cross multiply
    10,148,845.17x = 15,236,258.64 × 8,718,678.39
  4. Step 4: Simplify right side
    10,148,845.17x = 132,840,038,949,018.80
  5. Step 5: Solve for x
    x = 132,840,038,949,018.80/10,148,845.17
  6. Step 6: Final answer
    x = 13,089,177.81

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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.