Home / 28,628,979.68-42,970,374.72-14,991,914.24

Finding the Fourth Proportional to 28,628,979.68, 42,970,374.72 and 14,991,914.24

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Solution

The fourth proportional to 28,628,979.68, 42,970,374.72 and 14,991,914.24 is: 22,501,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,628,979.68 : 42,970,374.72 = 14,991,914.24 : x
  2. Step 2: Convert to fraction form
    28,628,979.68/42,970,374.72 = 14,991,914.24/x
  3. Step 3: Cross multiply
    28,628,979.68x = 42,970,374.72 × 14,991,914.24
  4. Step 4: Simplify right side
    28,628,979.68x = 644,208,172,662,904
  5. Step 5: Solve for x
    x = 644,208,172,662,904/28,628,979.68
  6. Step 6: Final answer
    x = 22,501,960.60

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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.