Home / 21,975,101.60-32,965,762.80-6,827,453.60

Finding the Fourth Proportional to 21,975,101.60, 32,965,762.80 and 6,827,453.60

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Solution

The fourth proportional to 21,975,101.60, 32,965,762.80 and 6,827,453.60 is: 10,242,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,975,101.60 : 32,965,762.80 = 6,827,453.60 : x
  2. Step 2: Convert to fraction form
    21,975,101.60/32,965,762.80 = 6,827,453.60/x
  3. Step 3: Cross multiply
    21,975,101.60x = 32,965,762.80 × 6,827,453.60
  4. Step 4: Simplify right side
    21,975,101.60x = 225,072,215,905,606.06
  5. Step 5: Solve for x
    x = 225,072,215,905,606.06/21,975,101.60
  6. Step 6: Final answer
    x = 10,242,146.77

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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.