Home / 10,644,831.20-15,967,246.80-9,823,685.60

Finding the Fourth Proportional to 10,644,831.20, 15,967,246.80 and 9,823,685.60

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Solution

The fourth proportional to 10,644,831.20, 15,967,246.80 and 9,823,685.60 is: 14,735,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644,831.20 : 15,967,246.80 = 9,823,685.60 : x
  2. Step 2: Convert to fraction form
    10,644,831.20/15,967,246.80 = 9,823,685.60/x
  3. Step 3: Cross multiply
    10,644,831.20x = 15,967,246.80 × 9,823,685.60
  4. Step 4: Simplify right side
    10,644,831.20x = 156,857,212,460,806.09
  5. Step 5: Solve for x
    x = 156,857,212,460,806.09/10,644,831.20
  6. Step 6: Final answer
    x = 14,735,528.40

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1.5x scale

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.