Home / 39,364,906.96-59,064,407.16-21,147,847.12

Finding the Fourth Proportional to 39,364,906.96, 59,064,407.16 and 21,147,847.12

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Solution

The fourth proportional to 39,364,906.96, 59,064,407.16 and 21,147,847.12 is: 31,730,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,364,906.96 : 59,064,407.16 = 21,147,847.12 : x
  2. Step 2: Convert to fraction form
    39,364,906.96/59,064,407.16 = 21,147,847.12/x
  3. Step 3: Cross multiply
    39,364,906.96x = 59,064,407.16 × 21,147,847.12
  4. Step 4: Simplify right side
    39,364,906.96x = 1,249,085,052,853,113.25
  5. Step 5: Solve for x
    x = 1,249,085,052,853,113.25/39,364,906.96
  6. Step 6: Final answer
    x = 31,730,928.62

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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.