Home / 7,118,973.92-9,824,124.48-3,855,712.88

Finding the Fourth Proportional to 7,118,973.92, 9,824,124.48 and 3,855,712.88

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Solution

The fourth proportional to 7,118,973.92, 9,824,124.48 and 3,855,712.88 is: 5,320,851.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,973.92 : 9,824,124.48 = 3,855,712.88 : x
  2. Step 2: Convert to fraction form
    7,118,973.92/9,824,124.48 = 3,855,712.88/x
  3. Step 3: Cross multiply
    7,118,973.92x = 9,824,124.48 × 3,855,712.88
  4. Step 4: Simplify right side
    7,118,973.92x = 37,879,003,292,259.30
  5. Step 5: Solve for x
    x = 37,879,003,292,259.30/7,118,973.92
  6. Step 6: Final answer
    x = 5,320,851.53

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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.