Home / 28,817,552.40-39,768,536.01-15,764,530.98

Finding the Fourth Proportional to 28,817,552.40, 39,768,536.01 and 15,764,530.98

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Solution

The fourth proportional to 28,817,552.40, 39,768,536.01 and 15,764,530.98 is: 21,755,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817,552.40 : 39,768,536.01 = 15,764,530.98 : x
  2. Step 2: Convert to fraction form
    28,817,552.40/39,768,536.01 = 15,764,530.98/x
  3. Step 3: Cross multiply
    28,817,552.40x = 39,768,536.01 × 15,764,530.98
  4. Step 4: Simplify right side
    28,817,552.40x = 626,932,317,958,890.62
  5. Step 5: Solve for x
    x = 626,932,317,958,890.62/28,817,552.40
  6. Step 6: Final answer
    x = 21,755,224.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.