Home / 14,406,357.22-19,879,695.21-7,879,649.38

Finding the Fourth Proportional to 14,406,357.22, 19,879,695.21 and 7,879,649.38

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Solution

The fourth proportional to 14,406,357.22, 19,879,695.21 and 7,879,649.38 is: 10,873,326.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406,357.22 : 19,879,695.21 = 7,879,649.38 : x
  2. Step 2: Convert to fraction form
    14,406,357.22/19,879,695.21 = 7,879,649.38/x
  3. Step 3: Cross multiply
    14,406,357.22x = 19,879,695.21 × 7,879,649.38
  4. Step 4: Simplify right side
    14,406,357.22x = 156,645,028,036,065.47
  5. Step 5: Solve for x
    x = 156,645,028,036,065.47/14,406,357.22
  6. Step 6: Final answer
    x = 10,873,326.66

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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.