Home / 12,559,073.20-18,843,858.60-4,042,020.40

Finding the Fourth Proportional to 12,559,073.20, 18,843,858.60 and 4,042,020.40

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Solution

The fourth proportional to 12,559,073.20, 18,843,858.60 and 4,042,020.40 is: 6,064,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559,073.20 : 18,843,858.60 = 4,042,020.40 : x
  2. Step 2: Convert to fraction form
    12,559,073.20/18,843,858.60 = 4,042,020.40/x
  3. Step 3: Cross multiply
    12,559,073.20x = 18,843,858.60 × 4,042,020.40
  4. Step 4: Simplify right side
    12,559,073.20x = 76,167,260,875,915.44
  5. Step 5: Solve for x
    x = 76,167,260,875,915.44/12,559,073.20
  6. Step 6: Final answer
    x = 6,064,719.88

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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.