Home / 30,614,512.02-45,921,831.21-28,743,839.70

Finding the Fourth Proportional to 30,614,512.02, 45,921,831.21 and 28,743,839.70

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Solution

The fourth proportional to 30,614,512.02, 45,921,831.21 and 28,743,839.70 is: 43,115,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614,512.02 : 45,921,831.21 = 28,743,839.70 : x
  2. Step 2: Convert to fraction form
    30,614,512.02/45,921,831.21 = 28,743,839.70/x
  3. Step 3: Cross multiply
    30,614,512.02x = 45,921,831.21 × 28,743,839.70
  4. Step 4: Simplify right side
    30,614,512.02x = 1,319,969,755,030,697
  5. Step 5: Solve for x
    x = 1,319,969,755,030,697/30,614,512.02
  6. Step 6: Final answer
    x = 43,115,818.87

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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.