Home / 37,379,986.40-56,009,618.40-21,157,695.20

Finding the Fourth Proportional to 37,379,986.40, 56,009,618.40 and 21,157,695.20

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Solution

The fourth proportional to 37,379,986.40, 56,009,618.40 and 21,157,695.20 is: 31,702,377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,379,986.40 : 56,009,618.40 = 21,157,695.20 : x
  2. Step 2: Convert to fraction form
    37,379,986.40/56,009,618.40 = 21,157,695.20/x
  3. Step 3: Cross multiply
    37,379,986.40x = 56,009,618.40 × 21,157,695.20
  4. Step 4: Simplify right side
    37,379,986.40x = 1,185,034,434,375,511.50
  5. Step 5: Solve for x
    x = 1,185,034,434,375,511.50/37,379,986.40
  6. Step 6: Final answer
    x = 31,702,377.35

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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.