Home / 14,406,272.72-19,879,578.60-7,879,564.88

Finding the Fourth Proportional to 14,406,272.72, 19,879,578.60 and 7,879,564.88

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Solution

The fourth proportional to 14,406,272.72, 19,879,578.60 and 7,879,564.88 is: 10,873,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406,272.72 : 19,879,578.60 = 7,879,564.88 : x
  2. Step 2: Convert to fraction form
    14,406,272.72/19,879,578.60 = 7,879,564.88/x
  3. Step 3: Cross multiply
    14,406,272.72x = 19,879,578.60 × 7,879,564.88
  4. Step 4: Simplify right side
    14,406,272.72x = 156,642,429,365,759.56
  5. Step 5: Solve for x
    x = 156,642,429,365,759.56/14,406,272.72
  6. Step 6: Final answer
    x = 10,873,210.05

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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.