Home / 30,237,820.80-45,367,228.80-13,203,715.20

Finding the Fourth Proportional to 30,237,820.80, 45,367,228.80 and 13,203,715.20

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Solution

The fourth proportional to 30,237,820.80, 45,367,228.80 and 13,203,715.20 is: 19,810,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,237,820.80 : 45,367,228.80 = 13,203,715.20 : x
  2. Step 2: Convert to fraction form
    30,237,820.80/45,367,228.80 = 13,203,715.20/x
  3. Step 3: Cross multiply
    30,237,820.80x = 45,367,228.80 × 13,203,715.20
  4. Step 4: Simplify right side
    30,237,820.80x = 599,015,968,488,437.62
  5. Step 5: Solve for x
    x = 599,015,968,488,437.62/30,237,820.80
  6. Step 6: Final answer
    x = 19,810,156.71

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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.