Home / 21,743,163,903.96-30,005,095,888.71-12,588,078,819.24

Finding the Fourth Proportional to 21,743,163,903.96, 30,005,095,888.71 and 12,588,078,819.24

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Solution

The fourth proportional to 21,743,163,903.96, 30,005,095,888.71 and 12,588,078,819.24 is: 17,371,276,493.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743,163,903.96 : 30,005,095,888.71 = 12,588,078,819.24 : x
  2. Step 2: Convert to fraction form
    21,743,163,903.96/30,005,095,888.71 = 12,588,078,819.24/x
  3. Step 3: Cross multiply
    21,743,163,903.96x = 30,005,095,888.71 × 12,588,078,819.24
  4. Step 4: Simplify right side
    21,743,163,903.96x = 377,706,512,025,935,544,320
  5. Step 5: Solve for x
    x = 377,706,512,025,935,544,320/21,743,163,903.96
  6. Step 6: Final answer
    x = 17,371,276,493.81

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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.