Home / 14,521,205.70-21,781,808.55-10,490,127.30

Finding the Fourth Proportional to 14,521,205.70, 21,781,808.55 and 10,490,127.30

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Solution

The fourth proportional to 14,521,205.70, 21,781,808.55 and 10,490,127.30 is: 15,735,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521,205.70 : 21,781,808.55 = 10,490,127.30 : x
  2. Step 2: Convert to fraction form
    14,521,205.70/21,781,808.55 = 10,490,127.30/x
  3. Step 3: Cross multiply
    14,521,205.70x = 21,781,808.55 × 10,490,127.30
  4. Step 4: Simplify right side
    14,521,205.70x = 228,493,944,513,728.44
  5. Step 5: Solve for x
    x = 228,493,944,513,728.44/14,521,205.70
  6. Step 6: Final answer
    x = 15,735,190.95

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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.