Home / 13,384,330.47-18,470,486.76-7,272,758.97

Finding the Fourth Proportional to 13,384,330.47, 18,470,486.76 and 7,272,758.97

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Solution

The fourth proportional to 13,384,330.47, 18,470,486.76 and 7,272,758.97 is: 10,036,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384,330.47 : 18,470,486.76 = 7,272,758.97 : x
  2. Step 2: Convert to fraction form
    13,384,330.47/18,470,486.76 = 7,272,758.97/x
  3. Step 3: Cross multiply
    13,384,330.47x = 18,470,486.76 × 7,272,758.97
  4. Step 4: Simplify right side
    13,384,330.47x = 134,331,398,264,056.25
  5. Step 5: Solve for x
    x = 134,331,398,264,056.25/13,384,330.47
  6. Step 6: Final answer
    x = 10,036,467.54

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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.