Home / 21,810,528.71-30,098,712.81-12,020,997.95

Finding the Fourth Proportional to 21,810,528.71, 30,098,712.81 and 12,020,997.95

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Solution

The fourth proportional to 21,810,528.71, 30,098,712.81 and 12,020,997.95 is: 16,589,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,810,528.71 : 30,098,712.81 = 12,020,997.95 : x
  2. Step 2: Convert to fraction form
    21,810,528.71/30,098,712.81 = 12,020,997.95/x
  3. Step 3: Cross multiply
    21,810,528.71x = 30,098,712.81 × 12,020,997.95
  4. Step 4: Simplify right side
    21,810,528.71x = 361,816,564,836,155.19
  5. Step 5: Solve for x
    x = 361,816,564,836,155.19/21,810,528.71
  6. Step 6: Final answer
    x = 16,589,078.13

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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.