Home / 20,349,503,934.77-28,062,826,355.17-13,472,013,687.77

Finding the Fourth Proportional to 20,349,503,934.77, 28,062,826,355.17 and 13,472,013,687.77

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Solution

The fourth proportional to 20,349,503,934.77, 28,062,826,355.17 and 13,472,013,687.77 is: 18,578,476,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,349,503,934.77 : 28,062,826,355.17 = 13,472,013,687.77 : x
  2. Step 2: Convert to fraction form
    20,349,503,934.77/28,062,826,355.17 = 13,472,013,687.77/x
  3. Step 3: Cross multiply
    20,349,503,934.77x = 28,062,826,355.17 × 13,472,013,687.77
  4. Step 4: Simplify right side
    20,349,503,934.77x = 378,062,780,774,265,257,984
  5. Step 5: Solve for x
    x = 378,062,780,774,265,257,984/20,349,503,934.77
  6. Step 6: Final answer
    x = 18,578,476,506.66

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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.