Home / 28,817,561.25-39,768,548.54-15,764,539.91

Finding the Fourth Proportional to 28,817,561.25, 39,768,548.54 and 15,764,539.91

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Solution

The fourth proportional to 28,817,561.25, 39,768,548.54 and 15,764,539.91 is: 21,755,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817,561.25 : 39,768,548.54 = 15,764,539.91 : x
  2. Step 2: Convert to fraction form
    28,817,561.25/39,768,548.54 = 15,764,539.91/x
  3. Step 3: Cross multiply
    28,817,561.25x = 39,768,548.54 × 15,764,539.91
  4. Step 4: Simplify right side
    28,817,561.25x = 626,932,870,343,936.75
  5. Step 5: Solve for x
    x = 626,932,870,343,936.75/28,817,561.25
  6. Step 6: Final answer
    x = 21,755,236.85

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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.