Home / 38,998,200.50-53,816,857.44-21,594,172.05

Finding the Fourth Proportional to 38,998,200.50, 53,816,857.44 and 21,594,172.05

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Solution

The fourth proportional to 38,998,200.50, 53,816,857.44 and 21,594,172.05 is: 29,799,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,998,200.50 : 53,816,857.44 = 21,594,172.05 : x
  2. Step 2: Convert to fraction form
    38,998,200.50/53,816,857.44 = 21,594,172.05/x
  3. Step 3: Cross multiply
    38,998,200.50x = 53,816,857.44 × 21,594,172.05
  4. Step 4: Simplify right side
    38,998,200.50x = 1,162,130,478,749,682.50
  5. Step 5: Solve for x
    x = 1,162,130,478,749,682.50/38,998,200.50
  6. Step 6: Final answer
    x = 29,799,592.39

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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.