Home / 22,428,058.05-33,642,087.08-18,840,831.30

Finding the Fourth Proportional to 22,428,058.05, 33,642,087.08 and 18,840,831.30

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Solution

The fourth proportional to 22,428,058.05, 33,642,087.08 and 18,840,831.30 is: 28,261,246.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,058.05 : 33,642,087.08 = 18,840,831.30 : x
  2. Step 2: Convert to fraction form
    22,428,058.05/33,642,087.08 = 18,840,831.30/x
  3. Step 3: Cross multiply
    22,428,058.05x = 33,642,087.08 × 18,840,831.30
  4. Step 4: Simplify right side
    22,428,058.05x = 633,844,887,159,985.50
  5. Step 5: Solve for x
    x = 633,844,887,159,985.50/22,428,058.05
  6. Step 6: Final answer
    x = 28,261,246.95

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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.