Home / 12,398,574.78-18,598,052.90-4,722,647.66

Finding the Fourth Proportional to 12,398,574.78, 18,598,052.90 and 4,722,647.66

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Solution

The fourth proportional to 12,398,574.78, 18,598,052.90 and 4,722,647.66 is: 7,084,044.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398,574.78 : 18,598,052.90 = 4,722,647.66 : x
  2. Step 2: Convert to fraction form
    12,398,574.78/18,598,052.90 = 4,722,647.66/x
  3. Step 3: Cross multiply
    12,398,574.78x = 18,598,052.90 × 4,722,647.66
  4. Step 4: Simplify right side
    12,398,574.78x = 87,832,050,892,137.72
  5. Step 5: Solve for x
    x = 87,832,050,892,137.72/12,398,574.78
  6. Step 6: Final answer
    x = 7,084,044.13

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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.