Home / 22,382,461.44-30,889,831.68-12,724,646.40

Finding the Fourth Proportional to 22,382,461.44, 30,889,831.68 and 12,724,646.40

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Solution

The fourth proportional to 22,382,461.44, 30,889,831.68 and 12,724,646.40 is: 17,561,168.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,382,461.44 : 30,889,831.68 = 12,724,646.40 : x
  2. Step 2: Convert to fraction form
    22,382,461.44/30,889,831.68 = 12,724,646.40/x
  3. Step 3: Cross multiply
    22,382,461.44x = 30,889,831.68 × 12,724,646.40
  4. Step 4: Simplify right side
    22,382,461.44x = 393,062,185,483,517.94
  5. Step 5: Solve for x
    x = 393,062,185,483,517.94/22,382,461.44
  6. Step 6: Final answer
    x = 17,561,168.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.