Home / 16,386,511.50-22,621,038.62-9,509,664.96

Finding the Fourth Proportional to 16,386,511.50, 22,621,038.62 and 9,509,664.96

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Solution

The fourth proportional to 16,386,511.50, 22,621,038.62 and 9,509,664.96 is: 13,127,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,386,511.50 : 22,621,038.62 = 9,509,664.96 : x
  2. Step 2: Convert to fraction form
    16,386,511.50/22,621,038.62 = 9,509,664.96/x
  3. Step 3: Cross multiply
    16,386,511.50x = 22,621,038.62 × 9,509,664.96
  4. Step 4: Simplify right side
    16,386,511.50x = 215,118,498,275,872.44
  5. Step 5: Solve for x
    x = 215,118,498,275,872.44/16,386,511.50
  6. Step 6: Final answer
    x = 13,127,778.80

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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.