Home / 20,625,085,916.06-30,875,964,416.48-12,632,086,721.66

Finding the Fourth Proportional to 20,625,085,916.06, 30,875,964,416.48 and 12,632,086,721.66

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Solution

The fourth proportional to 20,625,085,916.06, 30,875,964,416.48 and 12,632,086,721.66 is: 18,910,362,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625,085,916.06 : 30,875,964,416.48 = 12,632,086,721.66 : x
  2. Step 2: Convert to fraction form
    20,625,085,916.06/30,875,964,416.48 = 12,632,086,721.66/x
  3. Step 3: Cross multiply
    20,625,085,916.06x = 30,875,964,416.48 × 12,632,086,721.66
  4. Step 4: Simplify right side
    20,625,085,916.06x = 390,027,860,123,734,573,056
  5. Step 5: Solve for x
    x = 390,027,860,123,734,573,056/20,625,085,916.06
  6. Step 6: Final answer
    x = 18,910,362,929.45

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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.