Home / 15,229,536.84-21,013,361.10-9,031,433.94

Finding the Fourth Proportional to 15,229,536.84, 21,013,361.10 and 9,031,433.94

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Solution

The fourth proportional to 15,229,536.84, 21,013,361.10 and 9,031,433.94 is: 12,461,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,229,536.84 : 21,013,361.10 = 9,031,433.94 : x
  2. Step 2: Convert to fraction form
    15,229,536.84/21,013,361.10 = 9,031,433.94/x
  3. Step 3: Cross multiply
    15,229,536.84x = 21,013,361.10 × 9,031,433.94
  4. Step 4: Simplify right side
    15,229,536.84x = 189,780,782,632,015.75
  5. Step 5: Solve for x
    x = 189,780,782,632,015.75/15,229,536.84
  6. Step 6: Final answer
    x = 12,461,362.72

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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.