Home / 12,226,380.84-16,872,579.87-6,720,264.51

Finding the Fourth Proportional to 12,226,380.84, 16,872,579.87 and 6,720,264.51

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Solution

The fourth proportional to 12,226,380.84, 16,872,579.87 and 6,720,264.51 is: 9,274,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,380.84 : 16,872,579.87 = 6,720,264.51 : x
  2. Step 2: Convert to fraction form
    12,226,380.84/16,872,579.87 = 6,720,264.51/x
  3. Step 3: Cross multiply
    12,226,380.84x = 16,872,579.87 × 6,720,264.51
  4. Step 4: Simplify right side
    12,226,380.84x = 113,388,199,692,501.42
  5. Step 5: Solve for x
    x = 113,388,199,692,501.42/12,226,380.84
  6. Step 6: Final answer
    x = 9,274,060.83

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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.