Home / 20,488,983.60-30,733,475.40-19,313,252.40

Finding the Fourth Proportional to 20,488,983.60, 30,733,475.40 and 19,313,252.40

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Solution

The fourth proportional to 20,488,983.60, 30,733,475.40 and 19,313,252.40 is: 28,969,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,488,983.60 : 30,733,475.40 = 19,313,252.40 : x
  2. Step 2: Convert to fraction form
    20,488,983.60/30,733,475.40 = 19,313,252.40/x
  3. Step 3: Cross multiply
    20,488,983.60x = 30,733,475.40 × 19,313,252.40
  4. Step 4: Simplify right side
    20,488,983.60x = 593,563,367,529,390.88
  5. Step 5: Solve for x
    x = 593,563,367,529,390.88/20,488,983.60
  6. Step 6: Final answer
    x = 28,969,878.60

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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.