Home / 21,217,554,658.05-31,826,332,018.18-8,623,462,435.52

Finding the Fourth Proportional to 21,217,554,658.05, 31,826,332,018.18 and 8,623,462,435.52

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Solution

The fourth proportional to 21,217,554,658.05, 31,826,332,018.18 and 8,623,462,435.52 is: 12,935,193,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,217,554,658.05 : 31,826,332,018.18 = 8,623,462,435.52 : x
  2. Step 2: Convert to fraction form
    21,217,554,658.05/31,826,332,018.18 = 8,623,462,435.52/x
  3. Step 3: Cross multiply
    21,217,554,658.05x = 31,826,332,018.18 × 8,623,462,435.52
  4. Step 4: Simplify right side
    21,217,554,658.05x = 274,453,178,619,020,738,560
  5. Step 5: Solve for x
    x = 274,453,178,619,020,738,560/21,217,554,658.05
  6. Step 6: Final answer
    x = 12,935,193,665.92

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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.