Home / 20,078,839.06-27,698,598.47-13,113,593.30

Finding the Fourth Proportional to 20,078,839.06, 27,698,598.47 and 13,113,593.30

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Solution

The fourth proportional to 20,078,839.06, 27,698,598.47 and 13,113,593.30 is: 18,090,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,078,839.06 : 27,698,598.47 = 13,113,593.30 : x
  2. Step 2: Convert to fraction form
    20,078,839.06/27,698,598.47 = 13,113,593.30/x
  3. Step 3: Cross multiply
    20,078,839.06x = 27,698,598.47 × 13,113,593.30
  4. Step 4: Simplify right side
    20,078,839.06x = 363,228,155,315,582.25
  5. Step 5: Solve for x
    x = 363,228,155,315,582.25/20,078,839.06
  6. Step 6: Final answer
    x = 18,090,097.45

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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.