Home / 20,094,749.10-27,729,916.38-11,393,510.40

Finding the Fourth Proportional to 20,094,749.10, 27,729,916.38 and 11,393,510.40

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Solution

The fourth proportional to 20,094,749.10, 27,729,916.38 and 11,393,510.40 is: 15,722,569.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094,749.10 : 27,729,916.38 = 11,393,510.40 : x
  2. Step 2: Convert to fraction form
    20,094,749.10/27,729,916.38 = 11,393,510.40/x
  3. Step 3: Cross multiply
    20,094,749.10x = 27,729,916.38 × 11,393,510.40
  4. Step 4: Simplify right side
    20,094,749.10x = 315,941,090,666,660.38
  5. Step 5: Solve for x
    x = 315,941,090,666,660.38/20,094,749.10
  6. Step 6: Final answer
    x = 15,722,569.57

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1.5x scale

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.