Home / 14,406,357.72-19,879,695.90-7,879,649.88

Finding the Fourth Proportional to 14,406,357.72, 19,879,695.90 and 7,879,649.88

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Solution

The fourth proportional to 14,406,357.72, 19,879,695.90 and 7,879,649.88 is: 10,873,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406,357.72 : 19,879,695.90 = 7,879,649.88 : x
  2. Step 2: Convert to fraction form
    14,406,357.72/19,879,695.90 = 7,879,649.88/x
  3. Step 3: Cross multiply
    14,406,357.72x = 19,879,695.90 × 7,879,649.88
  4. Step 4: Simplify right side
    14,406,357.72x = 156,645,043,412,871.47
  5. Step 5: Solve for x
    x = 156,645,043,412,871.47/14,406,357.72
  6. Step 6: Final answer
    x = 10,873,327.35

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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.