Home / 8,615,945.07-11,889,965.21-4,748,457.87

Finding the Fourth Proportional to 8,615,945.07, 11,889,965.21 and 4,748,457.87

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Solution

The fourth proportional to 8,615,945.07, 11,889,965.21 and 4,748,457.87 is: 6,552,850.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615,945.07 : 11,889,965.21 = 4,748,457.87 : x
  2. Step 2: Convert to fraction form
    8,615,945.07/11,889,965.21 = 4,748,457.87/x
  3. Step 3: Cross multiply
    8,615,945.07x = 11,889,965.21 × 4,748,457.87
  4. Step 4: Simplify right side
    8,615,945.07x = 56,458,998,851,708.41
  5. Step 5: Solve for x
    x = 56,458,998,851,708.41/8,615,945.07
  6. Step 6: Final answer
    x = 6,552,850.37

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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.