Home / 21,893,124.29-30,211,213.05-12,102,984.63

Finding the Fourth Proportional to 21,893,124.29, 30,211,213.05 and 12,102,984.63

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Solution

The fourth proportional to 21,893,124.29, 30,211,213.05 and 12,102,984.63 is: 16,701,400.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893,124.29 : 30,211,213.05 = 12,102,984.63 : x
  2. Step 2: Convert to fraction form
    21,893,124.29/30,211,213.05 = 12,102,984.63/x
  3. Step 3: Cross multiply
    21,893,124.29x = 30,211,213.05 × 12,102,984.63
  4. Step 4: Simplify right side
    21,893,124.29x = 365,645,847,197,805.44
  5. Step 5: Solve for x
    x = 365,645,847,197,805.44/21,893,124.29
  6. Step 6: Final answer
    x = 16,701,400.97

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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.