Home / 8,172,378.86-11,277,959.15-4,501,309.01

Finding the Fourth Proportional to 8,172,378.86, 11,277,959.15 and 4,501,309.01

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Solution

The fourth proportional to 8,172,378.86, 11,277,959.15 and 4,501,309.01 is: 6,211,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,378.86 : 11,277,959.15 = 4,501,309.01 : x
  2. Step 2: Convert to fraction form
    8,172,378.86/11,277,959.15 = 4,501,309.01/x
  3. Step 3: Cross multiply
    8,172,378.86x = 11,277,959.15 × 4,501,309.01
  4. Step 4: Simplify right side
    8,172,378.86x = 50,765,579,113,800.39
  5. Step 5: Solve for x
    x = 50,765,579,113,800.39/8,172,378.86
  6. Step 6: Final answer
    x = 6,211,848.47

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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.