Home / 21,293,063.10-31,952,716.65-8,512,235.10

Finding the Fourth Proportional to 21,293,063.10, 31,952,716.65 and 8,512,235.10

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Solution

The fourth proportional to 21,293,063.10, 31,952,716.65 and 8,512,235.10 is: 12,773,598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293,063.10 : 31,952,716.65 = 8,512,235.10 : x
  2. Step 2: Convert to fraction form
    21,293,063.10/31,952,716.65 = 8,512,235.10/x
  3. Step 3: Cross multiply
    21,293,063.10x = 31,952,716.65 × 8,512,235.10
  4. Step 4: Simplify right side
    21,293,063.10x = 271,989,036,208,484.38
  5. Step 5: Solve for x
    x = 271,989,036,208,484.38/21,293,063.10
  6. Step 6: Final answer
    x = 12,773,598.37

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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.