Home / 15,808,924.88-21,816,330.60-8,565,580.88

Finding the Fourth Proportional to 15,808,924.88, 21,816,330.60 and 8,565,580.88

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Solution

The fourth proportional to 15,808,924.88, 21,816,330.60 and 8,565,580.88 is: 11,820,509.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808,924.88 : 21,816,330.60 = 8,565,580.88 : x
  2. Step 2: Convert to fraction form
    15,808,924.88/21,816,330.60 = 8,565,580.88/x
  3. Step 3: Cross multiply
    15,808,924.88x = 21,816,330.60 × 8,565,580.88
  4. Step 4: Simplify right side
    15,808,924.88x = 186,869,544,259,118.97
  5. Step 5: Solve for x
    x = 186,869,544,259,118.97/15,808,924.88
  6. Step 6: Final answer
    x = 11,820,509.34

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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.