Home / 28,897,120.98-43,352,914.98-8,426,842.92

Finding the Fourth Proportional to 28,897,120.98, 43,352,914.98 and 8,426,842.92

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Solution

The fourth proportional to 28,897,120.98, 43,352,914.98 and 8,426,842.92 is: 12,642,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897,120.98 : 43,352,914.98 = 8,426,842.92 : x
  2. Step 2: Convert to fraction form
    28,897,120.98/43,352,914.98 = 8,426,842.92/x
  3. Step 3: Cross multiply
    28,897,120.98x = 43,352,914.98 × 8,426,842.92
  4. Step 4: Simplify right side
    28,897,120.98x = 365,328,204,660,574.94
  5. Step 5: Solve for x
    x = 365,328,204,660,574.94/28,897,120.98
  6. Step 6: Final answer
    x = 12,642,373.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.