Home / 18,663,810.50-25,756,058.49-10,079,106.50

Finding the Fourth Proportional to 18,663,810.50, 25,756,058.49 and 10,079,106.50

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Solution

The fourth proportional to 18,663,810.50, 25,756,058.49 and 10,079,106.50 is: 13,909,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663,810.50 : 25,756,058.49 = 10,079,106.50 : x
  2. Step 2: Convert to fraction form
    18,663,810.50/25,756,058.49 = 10,079,106.50/x
  3. Step 3: Cross multiply
    18,663,810.50x = 25,756,058.49 × 10,079,106.50
  4. Step 4: Simplify right side
    18,663,810.50x = 259,598,056,540,939.16
  5. Step 5: Solve for x
    x = 259,598,056,540,939.16/18,663,810.50
  6. Step 6: Final answer
    x = 13,909,166.97

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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.