Home / 7,230,110.77-10,845,448.40-2,181,421.81

Finding the Fourth Proportional to 7,230,110.77, 10,845,448.40 and 2,181,421.81

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Solution

The fourth proportional to 7,230,110.77, 10,845,448.40 and 2,181,421.81 is: 3,272,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230,110.77 : 10,845,448.40 = 2,181,421.81 : x
  2. Step 2: Convert to fraction form
    7,230,110.77/10,845,448.40 = 2,181,421.81/x
  3. Step 3: Cross multiply
    7,230,110.77x = 10,845,448.40 × 2,181,421.81
  4. Step 4: Simplify right side
    7,230,110.77x = 23,658,497,678,989.61
  5. Step 5: Solve for x
    x = 23,658,497,678,989.61/7,230,110.77
  6. Step 6: Final answer
    x = 3,272,217.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.