Home / 18,166,217-25,069,984.84-9,906,731.32

Finding the Fourth Proportional to 18,166,217, 25,069,984.84 and 9,906,731.32

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Solution

The fourth proportional to 18,166,217, 25,069,984.84 and 9,906,731.32 is: 13,671,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166,217 : 25,069,984.84 = 9,906,731.32 : x
  2. Step 2: Convert to fraction form
    18,166,217/25,069,984.84 = 9,906,731.32/x
  3. Step 3: Cross multiply
    18,166,217x = 25,069,984.84 × 9,906,731.32
  4. Step 4: Simplify right side
    18,166,217x = 248,361,604,006,353.19
  5. Step 5: Solve for x
    x = 248,361,604,006,353.19/18,166,217
  6. Step 6: Final answer
    x = 13,671,619.36

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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.