Home / 12,548,236.29-18,822,288.79-6,827,336.59

Finding the Fourth Proportional to 12,548,236.29, 18,822,288.79 and 6,827,336.59

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Solution

The fourth proportional to 12,548,236.29, 18,822,288.79 and 6,827,336.59 is: 10,240,969.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548,236.29 : 18,822,288.79 = 6,827,336.59 : x
  2. Step 2: Convert to fraction form
    12,548,236.29/18,822,288.79 = 6,827,336.59/x
  3. Step 3: Cross multiply
    12,548,236.29x = 18,822,288.79 × 6,827,336.59
  4. Step 4: Simplify right side
    12,548,236.29x = 128,506,100,963,513.81
  5. Step 5: Solve for x
    x = 128,506,100,963,513.81/12,548,236.29
  6. Step 6: Final answer
    x = 10,240,969.17

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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.