Home / 13,224,770.40-19,799,312.40-8,141,858.40

Finding the Fourth Proportional to 13,224,770.40, 19,799,312.40 and 8,141,858.40

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Solution

The fourth proportional to 13,224,770.40, 19,799,312.40 and 8,141,858.40 is: 12,189,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224,770.40 : 19,799,312.40 = 8,141,858.40 : x
  2. Step 2: Convert to fraction form
    13,224,770.40/19,799,312.40 = 8,141,858.40/x
  3. Step 3: Cross multiply
    13,224,770.40x = 19,799,312.40 × 8,141,858.40
  4. Step 4: Simplify right side
    13,224,770.40x = 161,203,197,978,164.16
  5. Step 5: Solve for x
    x = 161,203,197,978,164.16/13,224,770.40
  6. Step 6: Final answer
    x = 12,189,489.35

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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.