Home / 15,456,019.20-23,184,028.80-9,782,649.60

Finding the Fourth Proportional to 15,456,019.20, 23,184,028.80 and 9,782,649.60

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Solution

The fourth proportional to 15,456,019.20, 23,184,028.80 and 9,782,649.60 is: 14,673,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456,019.20 : 23,184,028.80 = 9,782,649.60 : x
  2. Step 2: Convert to fraction form
    15,456,019.20/23,184,028.80 = 9,782,649.60/x
  3. Step 3: Cross multiply
    15,456,019.20x = 23,184,028.80 × 9,782,649.60
  4. Step 4: Simplify right side
    15,456,019.20x = 226,801,230,066,708.47
  5. Step 5: Solve for x
    x = 226,801,230,066,708.47/15,456,019.20
  6. Step 6: Final answer
    x = 14,673,974.40

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1.5x scale

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.