Home / 11,719,556.33-16,172,987.18-6,421,272.53

Finding the Fourth Proportional to 11,719,556.33, 16,172,987.18 and 6,421,272.53

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Solution

The fourth proportional to 11,719,556.33, 16,172,987.18 and 6,421,272.53 is: 8,861,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719,556.33 : 16,172,987.18 = 6,421,272.53 : x
  2. Step 2: Convert to fraction form
    11,719,556.33/16,172,987.18 = 6,421,272.53/x
  3. Step 3: Cross multiply
    11,719,556.33x = 16,172,987.18 × 6,421,272.53
  4. Step 4: Simplify right side
    11,719,556.33x = 103,851,158,363,461.81
  5. Step 5: Solve for x
    x = 103,851,158,363,461.81/11,719,556.33
  6. Step 6: Final answer
    x = 8,861,355.80

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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.