Home / 22,104,852.50-30,503,981.08-12,687,193.61

Finding the Fourth Proportional to 22,104,852.50, 30,503,981.08 and 12,687,193.61

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Solution

The fourth proportional to 22,104,852.50, 30,503,981.08 and 12,687,193.61 is: 17,507,916.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,104,852.50 : 30,503,981.08 = 12,687,193.61 : x
  2. Step 2: Convert to fraction form
    22,104,852.50/30,503,981.08 = 12,687,193.61/x
  3. Step 3: Cross multiply
    22,104,852.50x = 30,503,981.08 × 12,687,193.61
  4. Step 4: Simplify right side
    22,104,852.50x = 387,009,913,921,011
  5. Step 5: Solve for x
    x = 387,009,913,921,011/22,104,852.50
  6. Step 6: Final answer
    x = 17,507,916.59

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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.