Home / 31,584,298.40-47,388,889.20-12,411,792.80

Finding the Fourth Proportional to 31,584,298.40, 47,388,889.20 and 12,411,792.80

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Solution

The fourth proportional to 31,584,298.40, 47,388,889.20 and 12,411,792.80 is: 18,622,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584,298.40 : 47,388,889.20 = 12,411,792.80 : x
  2. Step 2: Convert to fraction form
    31,584,298.40/47,388,889.20 = 12,411,792.80/x
  3. Step 3: Cross multiply
    31,584,298.40x = 47,388,889.20 × 12,411,792.80
  4. Step 4: Simplify right side
    31,584,298.40x = 588,181,073,772,557.88
  5. Step 5: Solve for x
    x = 588,181,073,772,557.88/31,584,298.40
  6. Step 6: Final answer
    x = 18,622,578.42

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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.