Home / 10,203,347.77-14,080,619.91-5,619,669.15

Finding the Fourth Proportional to 10,203,347.77, 14,080,619.91 and 5,619,669.15

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Solution

The fourth proportional to 10,203,347.77, 14,080,619.91 and 5,619,669.15 is: 7,755,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203,347.77 : 14,080,619.91 = 5,619,669.15 : x
  2. Step 2: Convert to fraction form
    10,203,347.77/14,080,619.91 = 5,619,669.15/x
  3. Step 3: Cross multiply
    10,203,347.77x = 14,080,619.91 × 5,619,669.15
  4. Step 4: Simplify right side
    10,203,347.77x = 79,128,425,321,102.78
  5. Step 5: Solve for x
    x = 79,128,425,321,102.78/10,203,347.77
  6. Step 6: Final answer
    x = 7,755,143.42

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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.