Home / 10,449,018.90-15,673,528.35-9,332,992.80

Finding the Fourth Proportional to 10,449,018.90, 15,673,528.35 and 9,332,992.80

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Solution

The fourth proportional to 10,449,018.90, 15,673,528.35 and 9,332,992.80 is: 13,999,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449,018.90 : 15,673,528.35 = 9,332,992.80 : x
  2. Step 2: Convert to fraction form
    10,449,018.90/15,673,528.35 = 9,332,992.80/x
  3. Step 3: Cross multiply
    10,449,018.90x = 15,673,528.35 × 9,332,992.80
  4. Step 4: Simplify right side
    10,449,018.90x = 146,280,927,241,145.88
  5. Step 5: Solve for x
    x = 146,280,927,241,145.88/10,449,018.90
  6. Step 6: Final answer
    x = 13,999,489.20

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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.