Home / 12,043,380.61-16,619,656.70-6,536,637.28

Finding the Fourth Proportional to 12,043,380.61, 16,619,656.70 and 6,536,637.28

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Solution

The fourth proportional to 12,043,380.61, 16,619,656.70 and 6,536,637.28 is: 9,020,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043,380.61 : 16,619,656.70 = 6,536,637.28 : x
  2. Step 2: Convert to fraction form
    12,043,380.61/16,619,656.70 = 6,536,637.28/x
  3. Step 3: Cross multiply
    12,043,380.61x = 16,619,656.70 × 6,536,637.28
  4. Step 4: Simplify right side
    12,043,380.61x = 108,636,667,450,240.31
  5. Step 5: Solve for x
    x = 108,636,667,450,240.31/12,043,380.61
  6. Step 6: Final answer
    x = 9,020,446.25

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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.