Home / 28,817,592-39,768,590.94-15,764,570.64

Finding the Fourth Proportional to 28,817,592, 39,768,590.94 and 15,764,570.64

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Solution

The fourth proportional to 28,817,592, 39,768,590.94 and 15,764,570.64 is: 21,755,279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817,592 : 39,768,590.94 = 15,764,570.64 : x
  2. Step 2: Convert to fraction form
    28,817,592/39,768,590.94 = 15,764,570.64/x
  3. Step 3: Cross multiply
    28,817,592x = 39,768,590.94 × 15,764,570.64
  4. Step 4: Simplify right side
    28,817,592x = 626,934,761,126,894
  5. Step 5: Solve for x
    x = 626,934,761,126,894/28,817,592
  6. Step 6: Final answer
    x = 21,755,279.24

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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.