Home / 21,894,966.42-30,214,521.09-12,105,158.46

Finding the Fourth Proportional to 21,894,966.42, 30,214,521.09 and 12,105,158.46

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Solution

The fourth proportional to 21,894,966.42, 30,214,521.09 and 12,105,158.46 is: 16,704,824.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,894,966.42 : 30,214,521.09 = 12,105,158.46 : x
  2. Step 2: Convert to fraction form
    21,894,966.42/30,214,521.09 = 12,105,158.46/x
  3. Step 3: Cross multiply
    21,894,966.42x = 30,214,521.09 × 12,105,158.46
  4. Step 4: Simplify right side
    21,894,966.42x = 365,751,565,587,461.94
  5. Step 5: Solve for x
    x = 365,751,565,587,461.94/21,894,966.42
  6. Step 6: Final answer
    x = 16,704,824.23

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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.