Home / 21,146,588,840.03-31,723,497,000.52-8,718,125,381.15

Finding the Fourth Proportional to 21,146,588,840.03, 31,723,497,000.52 and 8,718,125,381.15

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Solution

The fourth proportional to 21,146,588,840.03, 31,723,497,000.52 and 8,718,125,381.15 is: 13,078,677,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,146,588,840.03 : 31,723,497,000.52 = 8,718,125,381.15 : x
  2. Step 2: Convert to fraction form
    21,146,588,840.03/31,723,497,000.52 = 8,718,125,381.15/x
  3. Step 3: Cross multiply
    21,146,588,840.03x = 31,723,497,000.52 × 8,718,125,381.15
  4. Step 4: Simplify right side
    21,146,588,840.03x = 276,569,424,378,910,703,616
  5. Step 5: Solve for x
    x = 276,569,424,378,910,703,616/21,146,588,840.03
  6. Step 6: Final answer
    x = 13,078,677,912.13

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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.