Home / 10,418,657.70-15,627,986.55-9,834,072.60

Finding the Fourth Proportional to 10,418,657.70, 15,627,986.55 and 9,834,072.60

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Solution

The fourth proportional to 10,418,657.70, 15,627,986.55 and 9,834,072.60 is: 14,751,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418,657.70 : 15,627,986.55 = 9,834,072.60 : x
  2. Step 2: Convert to fraction form
    10,418,657.70/15,627,986.55 = 9,834,072.60/x
  3. Step 3: Cross multiply
    10,418,657.70x = 15,627,986.55 × 9,834,072.60
  4. Step 4: Simplify right side
    10,418,657.70x = 153,686,754,324,523.53
  5. Step 5: Solve for x
    x = 153,686,754,324,523.53/10,418,657.70
  6. Step 6: Final answer
    x = 14,751,108.90

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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.