Home / 21,997,808.70-33,012,459.45-12,403,002.30

Finding the Fourth Proportional to 21,997,808.70, 33,012,459.45 and 12,403,002.30

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Solution

The fourth proportional to 21,997,808.70, 33,012,459.45 and 12,403,002.30 is: 18,613,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,997,808.70 : 33,012,459.45 = 12,403,002.30 : x
  2. Step 2: Convert to fraction form
    21,997,808.70/33,012,459.45 = 12,403,002.30/x
  3. Step 3: Cross multiply
    21,997,808.70x = 33,012,459.45 × 12,403,002.30
  4. Step 4: Simplify right side
    21,997,808.70x = 409,453,610,487,006.75
  5. Step 5: Solve for x
    x = 409,453,610,487,006.75/21,997,808.70
  6. Step 6: Final answer
    x = 18,613,381.73

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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.