Home / 12,756,326.40-19,134,489.60-8,244,172.80

Finding the Fourth Proportional to 12,756,326.40, 19,134,489.60 and 8,244,172.80

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Solution

The fourth proportional to 12,756,326.40, 19,134,489.60 and 8,244,172.80 is: 12,366,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,326.40 : 19,134,489.60 = 8,244,172.80 : x
  2. Step 2: Convert to fraction form
    12,756,326.40/19,134,489.60 = 8,244,172.80/x
  3. Step 3: Cross multiply
    12,756,326.40x = 19,134,489.60 × 8,244,172.80
  4. Step 4: Simplify right side
    12,756,326.40x = 157,748,038,702,202.88
  5. Step 5: Solve for x
    x = 157,748,038,702,202.88/12,756,326.40
  6. Step 6: Final answer
    x = 12,366,259.20

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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.