Home / 13,771,903.40-20,632,971.90-11,781,247.40

Finding the Fourth Proportional to 13,771,903.40, 20,632,971.90 and 11,781,247.40

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Solution

The fourth proportional to 13,771,903.40, 20,632,971.90 and 11,781,247.40 is: 17,650,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,903.40 : 20,632,971.90 = 11,781,247.40 : x
  2. Step 2: Convert to fraction form
    13,771,903.40/20,632,971.90 = 11,781,247.40/x
  3. Step 3: Cross multiply
    13,771,903.40x = 20,632,971.90 × 11,781,247.40
  4. Step 4: Simplify right side
    13,771,903.40x = 243,082,146,551,148.06
  5. Step 5: Solve for x
    x = 243,082,146,551,148.06/13,771,903.40
  6. Step 6: Final answer
    x = 17,650,584.64

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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.