Home / 12,126,325.16-16,734,358.78-6,619,703.78

Finding the Fourth Proportional to 12,126,325.16, 16,734,358.78 and 6,619,703.78

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Solution

The fourth proportional to 12,126,325.16, 16,734,358.78 and 6,619,703.78 is: 9,135,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,325.16 : 16,734,358.78 = 6,619,703.78 : x
  2. Step 2: Convert to fraction form
    12,126,325.16/16,734,358.78 = 6,619,703.78/x
  3. Step 3: Cross multiply
    12,126,325.16x = 16,734,358.78 × 6,619,703.78
  4. Step 4: Simplify right side
    12,126,325.16x = 110,776,498,071,842.19
  5. Step 5: Solve for x
    x = 110,776,498,071,842.19/12,126,325.16
  6. Step 6: Final answer
    x = 9,135,207.63

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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.