Home / 15,529,206.80-23,307,634.20-9,131,459.60

Finding the Fourth Proportional to 15,529,206.80, 23,307,634.20 and 9,131,459.60

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Solution

The fourth proportional to 15,529,206.80, 23,307,634.20 and 9,131,459.60 is: 13,705,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529,206.80 : 23,307,634.20 = 9,131,459.60 : x
  2. Step 2: Convert to fraction form
    15,529,206.80/23,307,634.20 = 9,131,459.60/x
  3. Step 3: Cross multiply
    15,529,206.80x = 23,307,634.20 × 9,131,459.60
  4. Step 4: Simplify right side
    15,529,206.80x = 212,832,720,068,878.31
  5. Step 5: Solve for x
    x = 212,832,720,068,878.31/15,529,206.80
  6. Step 6: Final answer
    x = 13,705,318.17

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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.