Home / 12,125,228.40-18,187,842.60-10,530,905.40

Finding the Fourth Proportional to 12,125,228.40, 18,187,842.60 and 10,530,905.40

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Solution

The fourth proportional to 12,125,228.40, 18,187,842.60 and 10,530,905.40 is: 15,796,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125,228.40 : 18,187,842.60 = 10,530,905.40 : x
  2. Step 2: Convert to fraction form
    12,125,228.40/18,187,842.60 = 10,530,905.40/x
  3. Step 3: Cross multiply
    12,125,228.40x = 18,187,842.60 × 10,530,905.40
  4. Step 4: Simplify right side
    12,125,228.40x = 191,534,449,850,690.06
  5. Step 5: Solve for x
    x = 191,534,449,850,690.06/12,125,228.40
  6. Step 6: Final answer
    x = 15,796,358.10

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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.