Home / 18,803,347.53-28,211,330.88-7,289,190.30

Finding the Fourth Proportional to 18,803,347.53, 28,211,330.88 and 7,289,190.30

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Solution

The fourth proportional to 18,803,347.53, 28,211,330.88 and 7,289,190.30 is: 10,936,231.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,803,347.53 : 28,211,330.88 = 7,289,190.30 : x
  2. Step 2: Convert to fraction form
    18,803,347.53/28,211,330.88 = 7,289,190.30/x
  3. Step 3: Cross multiply
    18,803,347.53x = 28,211,330.88 × 7,289,190.30
  4. Step 4: Simplify right side
    18,803,347.53x = 205,637,759,400,586.44
  5. Step 5: Solve for x
    x = 205,637,759,400,586.44/18,803,347.53
  6. Step 6: Final answer
    x = 10,936,231.38

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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.