Home / 14,238,419.80-21,355,556.10-4,139,987.80

Finding the Fourth Proportional to 14,238,419.80, 21,355,556.10 and 4,139,987.80

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Solution

The fourth proportional to 14,238,419.80, 21,355,556.10 and 4,139,987.80 is: 6,209,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238,419.80 : 21,355,556.10 = 4,139,987.80 : x
  2. Step 2: Convert to fraction form
    14,238,419.80/21,355,556.10 = 4,139,987.80/x
  3. Step 3: Cross multiply
    14,238,419.80x = 21,355,556.10 × 4,139,987.80
  4. Step 4: Simplify right side
    14,238,419.80x = 88,411,741,716,215.58
  5. Step 5: Solve for x
    x = 88,411,741,716,215.58/14,238,419.80
  6. Step 6: Final answer
    x = 6,209,378.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.