Home / 30,430,863.18-41,998,897.17-18,832,162.14

Finding the Fourth Proportional to 30,430,863.18, 41,998,897.17 and 18,832,162.14

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Solution

The fourth proportional to 30,430,863.18, 41,998,897.17 and 18,832,162.14 is: 25,991,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430,863.18 : 41,998,897.17 = 18,832,162.14 : x
  2. Step 2: Convert to fraction form
    30,430,863.18/41,998,897.17 = 18,832,162.14/x
  3. Step 3: Cross multiply
    30,430,863.18x = 41,998,897.17 × 18,832,162.14
  4. Step 4: Simplify right side
    30,430,863.18x = 790,930,041,206,627.25
  5. Step 5: Solve for x
    x = 790,930,041,206,627.25/30,430,863.18
  6. Step 6: Final answer
    x = 25,991,048.51

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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.