Home / 7,173,166.88-9,898,672.44-3,909,909.80

Finding the Fourth Proportional to 7,173,166.88, 9,898,672.44 and 3,909,909.80

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Solution

The fourth proportional to 7,173,166.88, 9,898,672.44 and 3,909,909.80 is: 5,395,513.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173,166.88 : 9,898,672.44 = 3,909,909.80 : x
  2. Step 2: Convert to fraction form
    7,173,166.88/9,898,672.44 = 3,909,909.80/x
  3. Step 3: Cross multiply
    7,173,166.88x = 9,898,672.44 × 3,909,909.80
  4. Step 4: Simplify right side
    7,173,166.88x = 38,702,916,380,145.91
  5. Step 5: Solve for x
    x = 38,702,916,380,145.91/7,173,166.88
  6. Step 6: Final answer
    x = 5,395,513.17

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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.