Home / 21,102,373.53-31,637,024.19-8,332,436.79

Finding the Fourth Proportional to 21,102,373.53, 31,637,024.19 and 8,332,436.79

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Solution

The fourth proportional to 21,102,373.53, 31,637,024.19 and 8,332,436.79 is: 12,492,125.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,102,373.53 : 31,637,024.19 = 8,332,436.79 : x
  2. Step 2: Convert to fraction form
    21,102,373.53/31,637,024.19 = 8,332,436.79/x
  3. Step 3: Cross multiply
    21,102,373.53x = 31,637,024.19 × 8,332,436.79
  4. Step 4: Simplify right side
    21,102,373.53x = 263,613,504,286,875.97
  5. Step 5: Solve for x
    x = 263,613,504,286,875.97/21,102,373.53
  6. Step 6: Final answer
    x = 12,492,125.77

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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.