Home / 18,622,642.36-25,684,687.45-12,098,373.94

Finding the Fourth Proportional to 18,622,642.36, 25,684,687.45 and 12,098,373.94

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Solution

The fourth proportional to 18,622,642.36, 25,684,687.45 and 12,098,373.94 is: 16,686,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622,642.36 : 25,684,687.45 = 12,098,373.94 : x
  2. Step 2: Convert to fraction form
    18,622,642.36/25,684,687.45 = 12,098,373.94/x
  3. Step 3: Cross multiply
    18,622,642.36x = 25,684,687.45 × 12,098,373.94
  4. Step 4: Simplify right side
    18,622,642.36x = 310,742,953,302,125
  5. Step 5: Solve for x
    x = 310,742,953,302,125/18,622,642.36
  6. Step 6: Final answer
    x = 16,686,297.64

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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.