Home / 21,731,420.64-32,572,850.88-9,421,173

Finding the Fourth Proportional to 21,731,420.64, 32,572,850.88 and 9,421,173

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Solution

The fourth proportional to 21,731,420.64, 32,572,850.88 and 9,421,173 is: 14,121,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,731,420.64 : 32,572,850.88 = 9,421,173 : x
  2. Step 2: Convert to fraction form
    21,731,420.64/32,572,850.88 = 9,421,173/x
  3. Step 3: Cross multiply
    21,731,420.64x = 32,572,850.88 × 9,421,173
  4. Step 4: Simplify right side
    21,731,420.64x = 306,874,463,243,682.25
  5. Step 5: Solve for x
    x = 306,874,463,243,682.25/21,731,420.64
  6. Step 6: Final answer
    x = 14,121,233.41

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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.