Home / 20,864,497.26-31,274,657.05-7,018,274.64

Finding the Fourth Proportional to 20,864,497.26, 31,274,657.05 and 7,018,274.64

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Solution

The fourth proportional to 20,864,497.26, 31,274,657.05 and 7,018,274.64 is: 10,519,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,497.26 : 31,274,657.05 = 7,018,274.64 : x
  2. Step 2: Convert to fraction form
    20,864,497.26/31,274,657.05 = 7,018,274.64/x
  3. Step 3: Cross multiply
    20,864,497.26x = 31,274,657.05 × 7,018,274.64
  4. Step 4: Simplify right side
    20,864,497.26x = 219,494,132,448,712.22
  5. Step 5: Solve for x
    x = 219,494,132,448,712.22/20,864,497.26
  6. Step 6: Final answer
    x = 10,519,981.85

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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.