Home / 30,898,081.40-46,363,710.90-12,948,999.80

Finding the Fourth Proportional to 30,898,081.40, 46,363,710.90 and 12,948,999.80

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Solution

The fourth proportional to 30,898,081.40, 46,363,710.90 and 12,948,999.80 is: 19,430,451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,898,081.40 : 46,363,710.90 = 12,948,999.80 : x
  2. Step 2: Convert to fraction form
    30,898,081.40/46,363,710.90 = 12,948,999.80/x
  3. Step 3: Cross multiply
    30,898,081.40x = 46,363,710.90 × 12,948,999.80
  4. Step 4: Simplify right side
    30,898,081.40x = 600,363,683,171,357.88
  5. Step 5: Solve for x
    x = 600,363,683,171,357.88/30,898,081.40
  6. Step 6: Final answer
    x = 19,430,451.86

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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.