Home / 28,817,534.88-39,768,511.95-15,764,513.54

Finding the Fourth Proportional to 28,817,534.88, 39,768,511.95 and 15,764,513.54

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Solution

The fourth proportional to 28,817,534.88, 39,768,511.95 and 15,764,513.54 is: 21,755,200.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817,534.88 : 39,768,511.95 = 15,764,513.54 : x
  2. Step 2: Convert to fraction form
    28,817,534.88/39,768,511.95 = 15,764,513.54/x
  3. Step 3: Cross multiply
    28,817,534.88x = 39,768,511.95 × 15,764,513.54
  4. Step 4: Simplify right side
    28,817,534.88x = 626,931,244,902,584.25
  5. Step 5: Solve for x
    x = 626,931,244,902,584.25/28,817,534.88
  6. Step 6: Final answer
    x = 21,755,200.35

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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.