Home / 30,898,983.70-46,354,005.15-12,949,902.10

Finding the Fourth Proportional to 30,898,983.70, 46,354,005.15 and 12,949,902.10

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Solution

The fourth proportional to 30,898,983.70, 46,354,005.15 and 12,949,902.10 is: 19,427,170.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,898,983.70 : 46,354,005.15 = 12,949,902.10 : x
  2. Step 2: Convert to fraction form
    30,898,983.70/46,354,005.15 = 12,949,902.10/x
  3. Step 3: Cross multiply
    30,898,983.70x = 46,354,005.15 × 12,949,902.10
  4. Step 4: Simplify right side
    30,898,983.70x = 600,279,828,635,395.75
  5. Step 5: Solve for x
    x = 600,279,828,635,395.75/30,898,983.70
  6. Step 6: Final answer
    x = 19,427,170.63

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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.