Home / 29,121,983.40-40,196,330.82-16,902,777

Finding the Fourth Proportional to 29,121,983.40, 40,196,330.82 and 16,902,777

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Solution

The fourth proportional to 29,121,983.40, 40,196,330.82 and 16,902,777 is: 23,330,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121,983.40 : 40,196,330.82 = 16,902,777 : x
  2. Step 2: Convert to fraction form
    29,121,983.40/40,196,330.82 = 16,902,777/x
  3. Step 3: Cross multiply
    29,121,983.40x = 40,196,330.82 × 16,902,777
  4. Step 4: Simplify right side
    29,121,983.40x = 679,429,616,068,687.12
  5. Step 5: Solve for x
    x = 679,429,616,068,687.12/29,121,983.40
  6. Step 6: Final answer
    x = 23,330,471.92

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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.