Home / 28,382,722.04-42,544,998.70-21,544,819.90

Finding the Fourth Proportional to 28,382,722.04, 42,544,998.70 and 21,544,819.90

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Solution

The fourth proportional to 28,382,722.04, 42,544,998.70 and 21,544,819.90 is: 32,295,152.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,382,722.04 : 42,544,998.70 = 21,544,819.90 : x
  2. Step 2: Convert to fraction form
    28,382,722.04/42,544,998.70 = 21,544,819.90/x
  3. Step 3: Cross multiply
    28,382,722.04x = 42,544,998.70 × 21,544,819.90
  4. Step 4: Simplify right side
    28,382,722.04x = 916,624,334,477,009.62
  5. Step 5: Solve for x
    x = 916,624,334,477,009.62/28,382,722.04
  6. Step 6: Final answer
    x = 32,295,152.42

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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.