Home / 18,166,216-25,069,983.46-9,906,730.32

Finding the Fourth Proportional to 18,166,216, 25,069,983.46 and 9,906,730.32

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Solution

The fourth proportional to 18,166,216, 25,069,983.46 and 9,906,730.32 is: 13,671,617.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166,216 : 25,069,983.46 = 9,906,730.32 : x
  2. Step 2: Convert to fraction form
    18,166,216/25,069,983.46 = 9,906,730.32/x
  3. Step 3: Cross multiply
    18,166,216x = 25,069,983.46 × 9,906,730.32
  4. Step 4: Simplify right side
    18,166,216x = 248,361,565,265,080.53
  5. Step 5: Solve for x
    x = 248,361,565,265,080.53/18,166,216
  6. Step 6: Final answer
    x = 13,671,617.98

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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.