Home / 39,635,539.80-59,453,309.70-12,711,917.40

Finding the Fourth Proportional to 39,635,539.80, 59,453,309.70 and 12,711,917.40

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Solution

The fourth proportional to 39,635,539.80, 59,453,309.70 and 12,711,917.40 is: 19,067,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,635,539.80 : 59,453,309.70 = 12,711,917.40 : x
  2. Step 2: Convert to fraction form
    39,635,539.80/59,453,309.70 = 12,711,917.40/x
  3. Step 3: Cross multiply
    39,635,539.80x = 59,453,309.70 × 12,711,917.40
  4. Step 4: Simplify right side
    39,635,539.80x = 755,765,562,063,018.88
  5. Step 5: Solve for x
    x = 755,765,562,063,018.88/39,635,539.80
  6. Step 6: Final answer
    x = 19,067,876.10

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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.