Home / 14,479,688.16-19,985,449.77-8,288,323.92

Finding the Fourth Proportional to 14,479,688.16, 19,985,449.77 and 8,288,323.92

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Solution

The fourth proportional to 14,479,688.16, 19,985,449.77 and 8,288,323.92 is: 11,439,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479,688.16 : 19,985,449.77 = 8,288,323.92 : x
  2. Step 2: Convert to fraction form
    14,479,688.16/19,985,449.77 = 8,288,323.92/x
  3. Step 3: Cross multiply
    14,479,688.16x = 19,985,449.77 × 8,288,323.92
  4. Step 4: Simplify right side
    14,479,688.16x = 165,645,881,380,649.50
  5. Step 5: Solve for x
    x = 165,645,881,380,649.50/14,479,688.16
  6. Step 6: Final answer
    x = 11,439,879.06

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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.