Home / 18,683,489.09-25,783,231.10-10,423,553.06

Finding the Fourth Proportional to 18,683,489.09, 25,783,231.10 and 10,423,553.06

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Solution

The fourth proportional to 18,683,489.09, 25,783,231.10 and 10,423,553.06 is: 14,384,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,489.09 : 25,783,231.10 = 10,423,553.06 : x
  2. Step 2: Convert to fraction form
    18,683,489.09/25,783,231.10 = 10,423,553.06/x
  3. Step 3: Cross multiply
    18,683,489.09x = 25,783,231.10 × 10,423,553.06
  4. Step 4: Simplify right side
    18,683,489.09x = 268,752,877,248,058.22
  5. Step 5: Solve for x
    x = 268,752,877,248,058.22/18,683,489.09
  6. Step 6: Final answer
    x = 14,384,512.23

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1.5x scale

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.