Home / 53,002,488.40-79,508,981.40-18,453,574.60

Finding the Fourth Proportional to 53,002,488.40, 79,508,981.40 and 18,453,574.60

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Solution

The fourth proportional to 53,002,488.40, 79,508,981.40 and 18,453,574.60 is: 27,682,189.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,002,488.40 : 79,508,981.40 = 18,453,574.60 : x
  2. Step 2: Convert to fraction form
    53,002,488.40/79,508,981.40 = 18,453,574.60/x
  3. Step 3: Cross multiply
    53,002,488.40x = 79,508,981.40 × 18,453,574.60
  4. Step 4: Simplify right side
    53,002,488.40x = 1,467,224,919,634,912.75
  5. Step 5: Solve for x
    x = 1,467,224,919,634,912.75/53,002,488.40
  6. Step 6: Final answer
    x = 27,682,189.34

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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.