Home / 20,484,905.04-28,269,465.48-11,317,758.48

Finding the Fourth Proportional to 20,484,905.04, 28,269,465.48 and 11,317,758.48

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Solution

The fourth proportional to 20,484,905.04, 28,269,465.48 and 11,317,758.48 is: 15,618,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484,905.04 : 28,269,465.48 = 11,317,758.48 : x
  2. Step 2: Convert to fraction form
    20,484,905.04/28,269,465.48 = 11,317,758.48/x
  3. Step 3: Cross multiply
    20,484,905.04x = 28,269,465.48 × 11,317,758.48
  4. Step 4: Simplify right side
    20,484,905.04x = 319,946,982,661,337.31
  5. Step 5: Solve for x
    x = 319,946,982,661,337.31/20,484,905.04
  6. Step 6: Final answer
    x = 15,618,670.53

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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.