Home / 12,268,278.90-16,929,533.94-6,761,637

Finding the Fourth Proportional to 12,268,278.90, 16,929,533.94 and 6,761,637

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Solution

The fourth proportional to 12,268,278.90, 16,929,533.94 and 6,761,637 is: 9,330,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,278.90 : 16,929,533.94 = 6,761,637 : x
  2. Step 2: Convert to fraction form
    12,268,278.90/16,929,533.94 = 6,761,637/x
  3. Step 3: Cross multiply
    12,268,278.90x = 16,929,533.94 × 6,761,637
  4. Step 4: Simplify right side
    12,268,278.90x = 114,471,363,081,459.80
  5. Step 5: Solve for x
    x = 114,471,363,081,459.80/12,268,278.90
  6. Step 6: Final answer
    x = 9,330,678.25

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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.