Home / 8,612,712.05-11,885,756.67-5,303,753.72

Finding the Fourth Proportional to 8,612,712.05, 11,885,756.67 and 5,303,753.72

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Solution

The fourth proportional to 8,612,712.05, 11,885,756.67 and 5,303,753.72 is: 7,319,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,712.05 : 11,885,756.67 = 5,303,753.72 : x
  2. Step 2: Convert to fraction form
    8,612,712.05/11,885,756.67 = 5,303,753.72/x
  3. Step 3: Cross multiply
    8,612,712.05x = 11,885,756.67 × 5,303,753.72
  4. Step 4: Simplify right side
    8,612,712.05x = 63,039,126,153,527.31
  5. Step 5: Solve for x
    x = 63,039,126,153,527.31/8,612,712.05
  6. Step 6: Final answer
    x = 7,319,311.94

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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.