Home / 19,004,961.60-28,507,442.40-4,627,915.20

Finding the Fourth Proportional to 19,004,961.60, 28,507,442.40 and 4,627,915.20

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Solution

The fourth proportional to 19,004,961.60, 28,507,442.40 and 4,627,915.20 is: 6,941,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004,961.60 : 28,507,442.40 = 4,627,915.20 : x
  2. Step 2: Convert to fraction form
    19,004,961.60/28,507,442.40 = 4,627,915.20/x
  3. Step 3: Cross multiply
    19,004,961.60x = 28,507,442.40 × 4,627,915.20
  4. Step 4: Simplify right side
    19,004,961.60x = 131,930,025,996,084.48
  5. Step 5: Solve for x
    x = 131,930,025,996,084.48/19,004,961.60
  6. Step 6: Final answer
    x = 6,941,872.80

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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.