Home / 18,638,012.62-25,714,292.29-10,897,574.86

Finding the Fourth Proportional to 18,638,012.62, 25,714,292.29 and 10,897,574.86

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Solution

The fourth proportional to 18,638,012.62, 25,714,292.29 and 10,897,574.86 is: 15,035,048.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638,012.62 : 25,714,292.29 = 10,897,574.86 : x
  2. Step 2: Convert to fraction form
    18,638,012.62/25,714,292.29 = 10,897,574.86/x
  3. Step 3: Cross multiply
    18,638,012.62x = 25,714,292.29 × 10,897,574.86
  4. Step 4: Simplify right side
    18,638,012.62x = 280,223,425,202,195.81
  5. Step 5: Solve for x
    x = 280,223,425,202,195.81/18,638,012.62
  6. Step 6: Final answer
    x = 15,035,048.58

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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.