Home / 42,348,859.20-63,521,976.60-12,056,722.20

Finding the Fourth Proportional to 42,348,859.20, 63,521,976.60 and 12,056,722.20

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Solution

The fourth proportional to 42,348,859.20, 63,521,976.60 and 12,056,722.20 is: 18,084,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,348,859.20 : 63,521,976.60 = 12,056,722.20 : x
  2. Step 2: Convert to fraction form
    42,348,859.20/63,521,976.60 = 12,056,722.20/x
  3. Step 3: Cross multiply
    42,348,859.20x = 63,521,976.60 × 12,056,722.20
  4. Step 4: Simplify right side
    42,348,859.20x = 765,866,825,461,100.50
  5. Step 5: Solve for x
    x = 765,866,825,461,100.50/42,348,859.20
  6. Step 6: Final answer
    x = 18,084,709.72

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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.