Home / 20,184,891.20-30,285,631.20-7,411,515.20

Finding the Fourth Proportional to 20,184,891.20, 30,285,631.20 and 7,411,515.20

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Solution

The fourth proportional to 20,184,891.20, 30,285,631.20 and 7,411,515.20 is: 11,120,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184,891.20 : 30,285,631.20 = 7,411,515.20 : x
  2. Step 2: Convert to fraction form
    20,184,891.20/30,285,631.20 = 7,411,515.20/x
  3. Step 3: Cross multiply
    20,184,891.20x = 30,285,631.20 × 7,411,515.20
  4. Step 4: Simplify right side
    20,184,891.20x = 224,462,415,980,394.25
  5. Step 5: Solve for x
    x = 224,462,415,980,394.25/20,184,891.20
  6. Step 6: Final answer
    x = 11,120,318.35

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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.