Home / 20,466,330.22-28,243,389.44-11,173,899.98

Finding the Fourth Proportional to 20,466,330.22, 28,243,389.44 and 11,173,899.98

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Solution

The fourth proportional to 20,466,330.22, 28,243,389.44 and 11,173,899.98 is: 15,419,902.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466,330.22 : 28,243,389.44 = 11,173,899.98 : x
  2. Step 2: Convert to fraction form
    20,466,330.22/28,243,389.44 = 11,173,899.98/x
  3. Step 3: Cross multiply
    20,466,330.22x = 28,243,389.44 × 11,173,899.98
  4. Step 4: Simplify right side
    20,466,330.22x = 315,588,808,698,748.25
  5. Step 5: Solve for x
    x = 315,588,808,698,748.25/20,466,330.22
  6. Step 6: Final answer
    x = 15,419,902.12

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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.