Home / 28,817,575.83-39,769,194.54-15,764,834.75

Finding the Fourth Proportional to 28,817,575.83, 39,769,194.54 and 15,764,834.75

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Solution

The fourth proportional to 28,817,575.83, 39,769,194.54 and 15,764,834.75 is: 21,755,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817,575.83 : 39,769,194.54 = 15,764,834.75 : x
  2. Step 2: Convert to fraction form
    28,817,575.83/39,769,194.54 = 15,764,834.75/x
  3. Step 3: Cross multiply
    28,817,575.83x = 39,769,194.54 × 15,764,834.75
  4. Step 4: Simplify right side
    28,817,575.83x = 626,954,779,864,856.25
  5. Step 5: Solve for x
    x = 626,954,779,864,856.25/28,817,575.83
  6. Step 6: Final answer
    x = 21,755,986.12

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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.