Home / 15,847,509.72-21,869,562.06-8,604,165.72

Finding the Fourth Proportional to 15,847,509.72, 21,869,562.06 and 8,604,165.72

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Solution

The fourth proportional to 15,847,509.72, 21,869,562.06 and 8,604,165.72 is: 11,873,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,847,509.72 : 21,869,562.06 = 8,604,165.72 : x
  2. Step 2: Convert to fraction form
    15,847,509.72/21,869,562.06 = 8,604,165.72/x
  3. Step 3: Cross multiply
    15,847,509.72x = 21,869,562.06 × 8,604,165.72
  4. Step 4: Simplify right side
    15,847,509.72x = 188,169,336,188,064.59
  5. Step 5: Solve for x
    x = 188,169,336,188,064.59/15,847,509.72
  6. Step 6: Final answer
    x = 11,873,747.96

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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.