Home / 8,789,378.19-13,173,438.44-4,527,221.37

Finding the Fourth Proportional to 8,789,378.19, 13,173,438.44 and 4,527,221.37

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Solution

The fourth proportional to 8,789,378.19, 13,173,438.44 and 4,527,221.37 is: 6,785,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,378.19 : 13,173,438.44 = 4,527,221.37 : x
  2. Step 2: Convert to fraction form
    8,789,378.19/13,173,438.44 = 4,527,221.37/x
  3. Step 3: Cross multiply
    8,789,378.19x = 13,173,438.44 × 4,527,221.37
  4. Step 4: Simplify right side
    8,789,378.19x = 59,639,071,933,444.17
  5. Step 5: Solve for x
    x = 59,639,071,933,444.17/8,789,378.19
  6. Step 6: Final answer
    x = 6,785,357.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.