Home / 21,343,947.68-29,454,613.73-11,554,389.27

Finding the Fourth Proportional to 21,343,947.68, 29,454,613.73 and 11,554,389.27

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Solution

The fourth proportional to 21,343,947.68, 29,454,613.73 and 11,554,389.27 is: 15,945,038.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343,947.68 : 29,454,613.73 = 11,554,389.27 : x
  2. Step 2: Convert to fraction form
    21,343,947.68/29,454,613.73 = 11,554,389.27/x
  3. Step 3: Cross multiply
    21,343,947.68x = 29,454,613.73 × 11,554,389.27
  4. Step 4: Simplify right side
    21,343,947.68x = 340,330,072,810,512
  5. Step 5: Solve for x
    x = 340,330,072,810,512/21,343,947.68
  6. Step 6: Final answer
    x = 15,945,038.75

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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.