Home / 28,926,845.80-43,388,886.30-9,755,722.60

Finding the Fourth Proportional to 28,926,845.80, 43,388,886.30 and 9,755,722.60

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Solution

The fourth proportional to 28,926,845.80, 43,388,886.30 and 9,755,722.60 is: 14,633,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926,845.80 : 43,388,886.30 = 9,755,722.60 : x
  2. Step 2: Convert to fraction form
    28,926,845.80/43,388,886.30 = 9,755,722.60/x
  3. Step 3: Cross multiply
    28,926,845.80x = 43,388,886.30 × 9,755,722.60
  4. Step 4: Simplify right side
    28,926,845.80x = 423,289,938,665,740.31
  5. Step 5: Solve for x
    x = 423,289,938,665,740.31/28,926,845.80
  6. Step 6: Final answer
    x = 14,633,117.68

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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.