Home / 19,807,261.20-29,693,611.80-7,684,995.60

Finding the Fourth Proportional to 19,807,261.20, 29,693,611.80 and 7,684,995.60

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Solution

The fourth proportional to 19,807,261.20, 29,693,611.80 and 7,684,995.60 is: 11,520,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807,261.20 : 29,693,611.80 = 7,684,995.60 : x
  2. Step 2: Convert to fraction form
    19,807,261.20/29,693,611.80 = 7,684,995.60/x
  3. Step 3: Cross multiply
    19,807,261.20x = 29,693,611.80 × 7,684,995.60
  4. Step 4: Simplify right side
    19,807,261.20x = 228,195,276,031,108.06
  5. Step 5: Solve for x
    x = 228,195,276,031,108.06/19,807,261.20
  6. Step 6: Final answer
    x = 11,520,788.95

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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.