Home / 12,725,906.88-19,088,860.50-10,477,320.96

Finding the Fourth Proportional to 12,725,906.88, 19,088,860.50 and 10,477,320.96

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Solution

The fourth proportional to 12,725,906.88, 19,088,860.50 and 10,477,320.96 is: 15,715,981.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725,906.88 : 19,088,860.50 = 10,477,320.96 : x
  2. Step 2: Convert to fraction form
    12,725,906.88/19,088,860.50 = 10,477,320.96/x
  3. Step 3: Cross multiply
    12,725,906.88x = 19,088,860.50 × 10,477,320.96
  4. Step 4: Simplify right side
    12,725,906.88x = 200,000,118,219,166.09
  5. Step 5: Solve for x
    x = 200,000,118,219,166.09/12,725,906.88
  6. Step 6: Final answer
    x = 15,715,981.59

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1.5x scale

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.