Home / 28,817,582.40-39,768,577.44-15,764,561.04

Finding the Fourth Proportional to 28,817,582.40, 39,768,577.44 and 15,764,561.04

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Solution

The fourth proportional to 28,817,582.40, 39,768,577.44 and 15,764,561.04 is: 21,755,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817,582.40 : 39,768,577.44 = 15,764,561.04 : x
  2. Step 2: Convert to fraction form
    28,817,582.40/39,768,577.44 = 15,764,561.04/x
  3. Step 3: Cross multiply
    28,817,582.40x = 39,768,577.44 × 15,764,561.04
  4. Step 4: Simplify right side
    28,817,582.40x = 626,934,166,526,846.88
  5. Step 5: Solve for x
    x = 626,934,166,526,846.88/28,817,582.40
  6. Step 6: Final answer
    x = 21,755,265.86

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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.