Home / 13,902,457.20-20,853,685.80-11,802,937.20

Finding the Fourth Proportional to 13,902,457.20, 20,853,685.80 and 11,802,937.20

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Solution

The fourth proportional to 13,902,457.20, 20,853,685.80 and 11,802,937.20 is: 17,704,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,457.20 : 20,853,685.80 = 11,802,937.20 : x
  2. Step 2: Convert to fraction form
    13,902,457.20/20,853,685.80 = 11,802,937.20/x
  3. Step 3: Cross multiply
    13,902,457.20x = 20,853,685.80 × 11,802,937.20
  4. Step 4: Simplify right side
    13,902,457.20x = 246,134,743,885,931.75
  5. Step 5: Solve for x
    x = 246,134,743,885,931.75/13,902,457.20
  6. Step 6: Final answer
    x = 17,704,405.80

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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.