Home / 10,641,989.80-15,962,984.70-10,474,028.20

Finding the Fourth Proportional to 10,641,989.80, 15,962,984.70 and 10,474,028.20

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Solution

The fourth proportional to 10,641,989.80, 15,962,984.70 and 10,474,028.20 is: 15,711,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641,989.80 : 15,962,984.70 = 10,474,028.20 : x
  2. Step 2: Convert to fraction form
    10,641,989.80/15,962,984.70 = 10,474,028.20/x
  3. Step 3: Cross multiply
    10,641,989.80x = 15,962,984.70 × 10,474,028.20
  4. Step 4: Simplify right side
    10,641,989.80x = 167,196,751,903,968.53
  5. Step 5: Solve for x
    x = 167,196,751,903,968.53/10,641,989.80
  6. Step 6: Final answer
    x = 15,711,042.30

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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.