Home / 43,490,610.40-65,219,326.80-13,188,402.40

Finding the Fourth Proportional to 43,490,610.40, 65,219,326.80 and 13,188,402.40

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Solution

The fourth proportional to 43,490,610.40, 65,219,326.80 and 13,188,402.40 is: 19,777,573.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,490,610.40 : 65,219,326.80 = 13,188,402.40 : x
  2. Step 2: Convert to fraction form
    43,490,610.40/65,219,326.80 = 13,188,402.40/x
  3. Step 3: Cross multiply
    43,490,610.40x = 65,219,326.80 × 13,188,402.40
  4. Step 4: Simplify right side
    43,490,610.40x = 860,138,726,095,504.25
  5. Step 5: Solve for x
    x = 860,138,726,095,504.25/43,490,610.40
  6. Step 6: Final answer
    x = 19,777,573.09

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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.