Home / 27,279,465.60-37,642,982.40-15,055,533.12

Finding the Fourth Proportional to 27,279,465.60, 37,642,982.40 and 15,055,533.12

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Solution

The fourth proportional to 27,279,465.60, 37,642,982.40 and 15,055,533.12 is: 20,775,156.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279,465.60 : 37,642,982.40 = 15,055,533.12 : x
  2. Step 2: Convert to fraction form
    27,279,465.60/37,642,982.40 = 15,055,533.12/x
  3. Step 3: Cross multiply
    27,279,465.60x = 37,642,982.40 × 15,055,533.12
  4. Step 4: Simplify right side
    27,279,465.60x = 566,735,168,258,777
  5. Step 5: Solve for x
    x = 566,735,168,258,777/27,279,465.60
  6. Step 6: Final answer
    x = 20,775,156.54

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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.