Home / 21,217,554,660.31-31,826,332,021.57-8,623,462,437.77

Finding the Fourth Proportional to 21,217,554,660.31, 31,826,332,021.57 and 8,623,462,437.77

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Solution

The fourth proportional to 21,217,554,660.31, 31,826,332,021.57 and 8,623,462,437.77 is: 12,935,193,669.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,217,554,660.31 : 31,826,332,021.57 = 8,623,462,437.77 : x
  2. Step 2: Convert to fraction form
    21,217,554,660.31/31,826,332,021.57 = 8,623,462,437.77/x
  3. Step 3: Cross multiply
    21,217,554,660.31x = 31,826,332,021.57 × 8,623,462,437.77
  4. Step 4: Simplify right side
    21,217,554,660.31x = 274,453,178,719,846,301,696
  5. Step 5: Solve for x
    x = 274,453,178,719,846,301,696/21,217,554,660.31
  6. Step 6: Final answer
    x = 12,935,193,669.29

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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.