Home / 21,456,064.80-32,184,097.20-5,281,887.60

Finding the Fourth Proportional to 21,456,064.80, 32,184,097.20 and 5,281,887.60

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Solution

The fourth proportional to 21,456,064.80, 32,184,097.20 and 5,281,887.60 is: 7,922,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456,064.80 : 32,184,097.20 = 5,281,887.60 : x
  2. Step 2: Convert to fraction form
    21,456,064.80/32,184,097.20 = 5,281,887.60/x
  3. Step 3: Cross multiply
    21,456,064.80x = 32,184,097.20 × 5,281,887.60
  4. Step 4: Simplify right side
    21,456,064.80x = 169,992,783,917,874.72
  5. Step 5: Solve for x
    x = 169,992,783,917,874.72/21,456,064.80
  6. Step 6: Final answer
    x = 7,922,831.40

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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.