Home / 12,260,644.31-16,920,214.03-6,828,136.31

Finding the Fourth Proportional to 12,260,644.31, 16,920,214.03 and 6,828,136.31

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Solution

The fourth proportional to 12,260,644.31, 16,920,214.03 and 6,828,136.31 is: 9,423,120.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,644.31 : 16,920,214.03 = 6,828,136.31 : x
  2. Step 2: Convert to fraction form
    12,260,644.31/16,920,214.03 = 6,828,136.31/x
  3. Step 3: Cross multiply
    12,260,644.31x = 16,920,214.03 × 6,828,136.31
  4. Step 4: Simplify right side
    12,260,644.31x = 115,533,527,842,050.14
  5. Step 5: Solve for x
    x = 115,533,527,842,050.14/12,260,644.31
  6. Step 6: Final answer
    x = 9,423,120.42

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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.