Home / 15,382,749.02-21,225,835.59-8,855,117.18

Finding the Fourth Proportional to 15,382,749.02, 21,225,835.59 and 8,855,117.18

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Solution

The fourth proportional to 15,382,749.02, 21,225,835.59 and 8,855,117.18 is: 12,218,704.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382,749.02 : 21,225,835.59 = 8,855,117.18 : x
  2. Step 2: Convert to fraction form
    15,382,749.02/21,225,835.59 = 8,855,117.18/x
  3. Step 3: Cross multiply
    15,382,749.02x = 21,225,835.59 × 8,855,117.18
  4. Step 4: Simplify right side
    15,382,749.02x = 187,957,261,286,735.28
  5. Step 5: Solve for x
    x = 187,957,261,286,735.28/15,382,749.02
  6. Step 6: Final answer
    x = 12,218,704.28

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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.