Home / 15,988,956.48-22,064,209.92-9,115,652.16

Finding the Fourth Proportional to 15,988,956.48, 22,064,209.92 and 9,115,652.16

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Solution

The fourth proportional to 15,988,956.48, 22,064,209.92 and 9,115,652.16 is: 12,579,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988,956.48 : 22,064,209.92 = 9,115,652.16 : x
  2. Step 2: Convert to fraction form
    15,988,956.48/22,064,209.92 = 9,115,652.16/x
  3. Step 3: Cross multiply
    15,988,956.48x = 22,064,209.92 × 9,115,652.16
  4. Step 4: Simplify right side
    15,988,956.48x = 201,129,662,815,941.44
  5. Step 5: Solve for x
    x = 201,129,662,815,941.44/15,988,956.48
  6. Step 6: Final answer
    x = 12,579,286.40

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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.