Home / 7,118,509.22-9,823,539.63-3,855,324.11

Finding the Fourth Proportional to 7,118,509.22, 9,823,539.63 and 3,855,324.11

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Solution

The fourth proportional to 7,118,509.22, 9,823,539.63 and 3,855,324.11 is: 5,320,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,509.22 : 9,823,539.63 = 3,855,324.11 : x
  2. Step 2: Convert to fraction form
    7,118,509.22/9,823,539.63 = 3,855,324.11/x
  3. Step 3: Cross multiply
    7,118,509.22x = 9,823,539.63 × 3,855,324.11
  4. Step 4: Simplify right side
    7,118,509.22x = 37,872,929,181,079.48
  5. Step 5: Solve for x
    x = 37,872,929,181,079.48/7,118,509.22
  6. Step 6: Final answer
    x = 5,320,345.60

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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.