Home / 21,997,672.20-33,012,254.70-12,402,865.80

Finding the Fourth Proportional to 21,997,672.20, 33,012,254.70 and 12,402,865.80

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Solution

The fourth proportional to 21,997,672.20, 33,012,254.70 and 12,402,865.80 is: 18,613,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,997,672.20 : 33,012,254.70 = 12,402,865.80 : x
  2. Step 2: Convert to fraction form
    21,997,672.20/33,012,254.70 = 12,402,865.80/x
  3. Step 3: Cross multiply
    21,997,672.20x = 33,012,254.70 × 12,402,865.80
  4. Step 4: Simplify right side
    21,997,672.20x = 409,446,564,799,519.25
  5. Step 5: Solve for x
    x = 409,446,564,799,519.25/21,997,672.20
  6. Step 6: Final answer
    x = 18,613,176.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.