Home / 21,129,008.45-31,696,522.00-6,557,186.93

Finding the Fourth Proportional to 21,129,008.45, 31,696,522.00 and 6,557,186.93

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Solution

The fourth proportional to 21,129,008.45, 31,696,522.00 and 6,557,186.93 is: 9,836,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,129,008.45 : 31,696,522.00 = 6,557,186.93 : x
  2. Step 2: Convert to fraction form
    21,129,008.45/31,696,522.00 = 6,557,186.93/x
  3. Step 3: Cross multiply
    21,129,008.45x = 31,696,522.00 × 6,557,186.93
  4. Step 4: Simplify right side
    21,129,008.45x = 207,840,019,609,981.88
  5. Step 5: Solve for x
    x = 207,840,019,609,981.88/21,129,008.45
  6. Step 6: Final answer
    x = 9,836,714.30

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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.