Home / 12,149,724.18-16,766,628.54-6,643,011.26

Finding the Fourth Proportional to 12,149,724.18, 16,766,628.54 and 6,643,011.26

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Solution

The fourth proportional to 12,149,724.18, 16,766,628.54 and 6,643,011.26 is: 9,167,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149,724.18 : 16,766,628.54 = 6,643,011.26 : x
  2. Step 2: Convert to fraction form
    12,149,724.18/16,766,628.54 = 6,643,011.26/x
  3. Step 3: Cross multiply
    12,149,724.18x = 16,766,628.54 × 6,643,011.26
  4. Step 4: Simplify right side
    12,149,724.18x = 111,380,902,183,457.34
  5. Step 5: Solve for x
    x = 111,380,902,183,457.34/12,149,724.18
  6. Step 6: Final answer
    x = 9,167,360.55

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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.