Home / 13,898,169.60-20,803,017.60-9,916,857.60

Finding the Fourth Proportional to 13,898,169.60, 20,803,017.60 and 9,916,857.60

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Solution

The fourth proportional to 13,898,169.60, 20,803,017.60 and 9,916,857.60 is: 14,843,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898,169.60 : 20,803,017.60 = 9,916,857.60 : x
  2. Step 2: Convert to fraction form
    13,898,169.60/20,803,017.60 = 9,916,857.60/x
  3. Step 3: Cross multiply
    13,898,169.60x = 20,803,017.60 × 9,916,857.60
  4. Step 4: Simplify right side
    13,898,169.60x = 206,300,563,189,493.78
  5. Step 5: Solve for x
    x = 206,300,563,189,493.78/13,898,169.60
  6. Step 6: Final answer
    x = 14,843,721.81

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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.