Home / 21,004,831.20-31,507,246.80-16,753,303.20

Finding the Fourth Proportional to 21,004,831.20, 31,507,246.80 and 16,753,303.20

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Solution

The fourth proportional to 21,004,831.20, 31,507,246.80 and 16,753,303.20 is: 25,129,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,831.20 : 31,507,246.80 = 16,753,303.20 : x
  2. Step 2: Convert to fraction form
    21,004,831.20/31,507,246.80 = 16,753,303.20/x
  3. Step 3: Cross multiply
    21,004,831.20x = 31,507,246.80 × 16,753,303.20
  4. Step 4: Simplify right side
    21,004,831.20x = 527,850,458,637,629.75
  5. Step 5: Solve for x
    x = 527,850,458,637,629.75/21,004,831.20
  6. Step 6: Final answer
    x = 25,129,954.80

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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.