Home / 10,342,831.20-15,514,246.80-3,949,792.80

Finding the Fourth Proportional to 10,342,831.20, 15,514,246.80 and 3,949,792.80

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Solution

The fourth proportional to 10,342,831.20, 15,514,246.80 and 3,949,792.80 is: 5,924,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342,831.20 : 15,514,246.80 = 3,949,792.80 : x
  2. Step 2: Convert to fraction form
    10,342,831.20/15,514,246.80 = 3,949,792.80/x
  3. Step 3: Cross multiply
    10,342,831.20x = 15,514,246.80 × 3,949,792.80
  4. Step 4: Simplify right side
    10,342,831.20x = 61,278,060,308,063.04
  5. Step 5: Solve for x
    x = 61,278,060,308,063.04/10,342,831.20
  6. Step 6: Final answer
    x = 5,924,689.20

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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.