Home / 7,254,212.49-10,010,813.67-3,990,957.39

Finding the Fourth Proportional to 7,254,212.49, 10,010,813.67 and 3,990,957.39

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Solution

The fourth proportional to 7,254,212.49, 10,010,813.67 and 3,990,957.39 is: 5,507,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,212.49 : 10,010,813.67 = 3,990,957.39 : x
  2. Step 2: Convert to fraction form
    7,254,212.49/10,010,813.67 = 3,990,957.39/x
  3. Step 3: Cross multiply
    7,254,212.49x = 10,010,813.67 × 3,990,957.39
  4. Step 4: Simplify right side
    7,254,212.49x = 39,952,730,796,199.52
  5. Step 5: Solve for x
    x = 39,952,730,796,199.52/7,254,212.49
  6. Step 6: Final answer
    x = 5,507,521.44

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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.