Home / 21,410,960.28-32,111,298.05-9,885,353.72

Finding the Fourth Proportional to 21,410,960.28, 32,111,298.05 and 9,885,353.72

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Solution

The fourth proportional to 21,410,960.28, 32,111,298.05 and 9,885,353.72 is: 14,825,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410,960.28 : 32,111,298.05 = 9,885,353.72 : x
  2. Step 2: Convert to fraction form
    21,410,960.28/32,111,298.05 = 9,885,353.72/x
  3. Step 3: Cross multiply
    21,410,960.28x = 32,111,298.05 × 9,885,353.72
  4. Step 4: Simplify right side
    21,410,960.28x = 317,431,539,422,613
  5. Step 5: Solve for x
    x = 317,431,539,422,613/21,410,960.28
  6. Step 6: Final answer
    x = 14,825,656.36

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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.