Home / 20,910,636.08-31,342,444.60-10,646,685.52

Finding the Fourth Proportional to 20,910,636.08, 31,342,444.60 and 10,646,685.52

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Solution

The fourth proportional to 20,910,636.08, 31,342,444.60 and 10,646,685.52 is: 15,958,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,910,636.08 : 31,342,444.60 = 10,646,685.52 : x
  2. Step 2: Convert to fraction form
    20,910,636.08/31,342,444.60 = 10,646,685.52/x
  3. Step 3: Cross multiply
    20,910,636.08x = 31,342,444.60 × 10,646,685.52
  4. Step 4: Simplify right side
    20,910,636.08x = 333,693,151,084,222.19
  5. Step 5: Solve for x
    x = 333,693,151,084,222.19/20,910,636.08
  6. Step 6: Final answer
    x = 15,958,058.37

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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.