Home / 13,731,816.60-20,607,056.10-7,666,536.60

Finding the Fourth Proportional to 13,731,816.60, 20,607,056.10 and 7,666,536.60

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Solution

The fourth proportional to 13,731,816.60, 20,607,056.10 and 7,666,536.60 is: 11,505,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731,816.60 : 20,607,056.10 = 7,666,536.60 : x
  2. Step 2: Convert to fraction form
    13,731,816.60/20,607,056.10 = 7,666,536.60/x
  3. Step 3: Cross multiply
    13,731,816.60x = 20,607,056.10 × 7,666,536.60
  4. Step 4: Simplify right side
    13,731,816.60x = 157,984,749,808,903.25
  5. Step 5: Solve for x
    x = 157,984,749,808,903.25/13,731,816.60
  6. Step 6: Final answer
    x = 11,505,014.55

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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.