Home / 16,209,886.78-22,369,820.39-8,867,562.28

Finding the Fourth Proportional to 16,209,886.78, 22,369,820.39 and 8,867,562.28

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Solution

The fourth proportional to 16,209,886.78, 22,369,820.39 and 8,867,562.28 is: 12,237,332.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,209,886.78 : 22,369,820.39 = 8,867,562.28 : x
  2. Step 2: Convert to fraction form
    16,209,886.78/22,369,820.39 = 8,867,562.28/x
  3. Step 3: Cross multiply
    16,209,886.78x = 22,369,820.39 × 8,867,562.28
  4. Step 4: Simplify right side
    16,209,886.78x = 198,365,775,433,729.91
  5. Step 5: Solve for x
    x = 198,365,775,433,729.91/16,209,886.78
  6. Step 6: Final answer
    x = 12,237,332.57

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1.5x scale

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.