Home / 7,200,492.80-9,934,764.93-4,102,949.79

Finding the Fourth Proportional to 7,200,492.80, 9,934,764.93 and 4,102,949.79

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Solution

The fourth proportional to 7,200,492.80, 9,934,764.93 and 4,102,949.79 is: 5,660,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200,492.80 : 9,934,764.93 = 4,102,949.79 : x
  2. Step 2: Convert to fraction form
    7,200,492.80/9,934,764.93 = 4,102,949.79/x
  3. Step 3: Cross multiply
    7,200,492.80x = 9,934,764.93 × 4,102,949.79
  4. Step 4: Simplify right side
    7,200,492.80x = 40,761,841,683,242.87
  5. Step 5: Solve for x
    x = 40,761,841,683,242.87/7,200,492.80
  6. Step 6: Final answer
    x = 5,660,979.44

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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.