Home / 13,387,351.60-20,086,709.64-7,314,990.40

Finding the Fourth Proportional to 13,387,351.60, 20,086,709.64 and 7,314,990.40

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Solution

The fourth proportional to 13,387,351.60, 20,086,709.64 and 7,314,990.40 is: 10,975,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387,351.60 : 20,086,709.64 = 7,314,990.40 : x
  2. Step 2: Convert to fraction form
    13,387,351.60/20,086,709.64 = 7,314,990.40/x
  3. Step 3: Cross multiply
    13,387,351.60x = 20,086,709.64 × 7,314,990.40
  4. Step 4: Simplify right side
    13,387,351.60x = 146,934,088,184,187.47
  5. Step 5: Solve for x
    x = 146,934,088,184,187.47/13,387,351.60
  6. Step 6: Final answer
    x = 10,975,590.44

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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.