Home / 12,015,855.60-16,581,809.78-6,509,335.43

Finding the Fourth Proportional to 12,015,855.60, 16,581,809.78 and 6,509,335.43

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Solution

The fourth proportional to 12,015,855.60, 16,581,809.78 and 6,509,335.43 is: 8,982,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015,855.60 : 16,581,809.78 = 6,509,335.43 : x
  2. Step 2: Convert to fraction form
    12,015,855.60/16,581,809.78 = 6,509,335.43/x
  3. Step 3: Cross multiply
    12,015,855.60x = 16,581,809.78 × 6,509,335.43
  4. Step 4: Simplify right side
    12,015,855.60x = 107,936,561,779,018.78
  5. Step 5: Solve for x
    x = 107,936,561,779,018.78/12,015,855.60
  6. Step 6: Final answer
    x = 8,982,844.45

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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.