Home / 16,876,920.84-23,290,262.56-9,141,963.10

Finding the Fourth Proportional to 16,876,920.84, 23,290,262.56 and 9,141,963.10

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Solution

The fourth proportional to 16,876,920.84, 23,290,262.56 and 9,141,963.10 is: 12,615,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,876,920.84 : 23,290,262.56 = 9,141,963.10 : x
  2. Step 2: Convert to fraction form
    16,876,920.84/23,290,262.56 = 9,141,963.10/x
  3. Step 3: Cross multiply
    16,876,920.84x = 23,290,262.56 × 9,141,963.10
  4. Step 4: Simplify right side
    16,876,920.84x = 212,918,720,912,831.50
  5. Step 5: Solve for x
    x = 212,918,720,912,831.50/16,876,920.84
  6. Step 6: Final answer
    x = 12,615,969.64

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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.