Home / 39,269,220.80-58,903,831.20-12,342,876.80

Finding the Fourth Proportional to 39,269,220.80, 58,903,831.20 and 12,342,876.80

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Solution

The fourth proportional to 39,269,220.80, 58,903,831.20 and 12,342,876.80 is: 18,514,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,269,220.80 : 58,903,831.20 = 12,342,876.80 : x
  2. Step 2: Convert to fraction form
    39,269,220.80/58,903,831.20 = 12,342,876.80/x
  3. Step 3: Cross multiply
    39,269,220.80x = 58,903,831.20 × 12,342,876.80
  4. Step 4: Simplify right side
    39,269,220.80x = 727,042,731,549,596.25
  5. Step 5: Solve for x
    x = 727,042,731,549,596.25/39,269,220.80
  6. Step 6: Final answer
    x = 18,514,315.20

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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.