Home / 28,313,877.62-42,463,915.00-7,843,065.55

Finding the Fourth Proportional to 28,313,877.62, 42,463,915.00 and 7,843,065.55

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Solution

The fourth proportional to 28,313,877.62, 42,463,915.00 and 7,843,065.55 is: 11,762,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313,877.62 : 42,463,915.00 = 7,843,065.55 : x
  2. Step 2: Convert to fraction form
    28,313,877.62/42,463,915.00 = 7,843,065.55/x
  3. Step 3: Cross multiply
    28,313,877.62x = 42,463,915.00 × 7,843,065.55
  4. Step 4: Simplify right side
    28,313,877.62x = 333,047,268,728,860.81
  5. Step 5: Solve for x
    x = 333,047,268,728,860.81/28,313,877.62
  6. Step 6: Final answer
    x = 11,762,686.59

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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.