Home / 21,047,704-29,045,831.52-11,389,912

Finding the Fourth Proportional to 21,047,704, 29,045,831.52 and 11,389,912

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Solution

The fourth proportional to 21,047,704, 29,045,831.52 and 11,389,912 is: 15,718,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,047,704 : 29,045,831.52 = 11,389,912 : x
  2. Step 2: Convert to fraction form
    21,047,704/29,045,831.52 = 11,389,912/x
  3. Step 3: Cross multiply
    21,047,704x = 29,045,831.52 × 11,389,912
  4. Step 4: Simplify right side
    21,047,704x = 330,829,464,979,626.25
  5. Step 5: Solve for x
    x = 330,829,464,979,626.25/21,047,704
  6. Step 6: Final answer
    x = 15,718,078.56

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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.