Home / 28,200,960.07-42,301,586.07-12,837,505.46

Finding the Fourth Proportional to 28,200,960.07, 42,301,586.07 and 12,837,505.46

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Solution

The fourth proportional to 28,200,960.07, 42,301,586.07 and 12,837,505.46 is: 19,256,324.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,200,960.07 : 42,301,586.07 = 12,837,505.46 : x
  2. Step 2: Convert to fraction form
    28,200,960.07/42,301,586.07 = 12,837,505.46/x
  3. Step 3: Cross multiply
    28,200,960.07x = 42,301,586.07 × 12,837,505.46
  4. Step 4: Simplify right side
    28,200,960.07x = 543,046,842,140,285
  5. Step 5: Solve for x
    x = 543,046,842,140,285/28,200,960.07
  6. Step 6: Final answer
    x = 19,256,324.64

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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.