Home / 21,343,947.93-29,454,614.08-11,554,389.52

Finding the Fourth Proportional to 21,343,947.93, 29,454,614.08 and 11,554,389.52

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Solution

The fourth proportional to 21,343,947.93, 29,454,614.08 and 11,554,389.52 is: 15,945,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343,947.93 : 29,454,614.08 = 11,554,389.52 : x
  2. Step 2: Convert to fraction form
    21,343,947.93/29,454,614.08 = 11,554,389.52/x
  3. Step 3: Cross multiply
    21,343,947.93x = 29,454,614.08 × 11,554,389.52
  4. Step 4: Simplify right side
    21,343,947.93x = 340,330,084,139,073.94
  5. Step 5: Solve for x
    x = 340,330,084,139,073.94/21,343,947.93
  6. Step 6: Final answer
    x = 15,945,039.09

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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.