Home / 19,979,579.64-27,571,818.06-10,812,222.84

Finding the Fourth Proportional to 19,979,579.64, 27,571,818.06 and 10,812,222.84

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Solution

The fourth proportional to 19,979,579.64, 27,571,818.06 and 10,812,222.84 is: 14,920,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979,579.64 : 27,571,818.06 = 10,812,222.84 : x
  2. Step 2: Convert to fraction form
    19,979,579.64/27,571,818.06 = 10,812,222.84/x
  3. Step 3: Cross multiply
    19,979,579.64x = 27,571,818.06 × 10,812,222.84
  4. Step 4: Simplify right side
    19,979,579.64x = 298,112,640,968,656.50
  5. Step 5: Solve for x
    x = 298,112,640,968,656.50/19,979,579.64
  6. Step 6: Final answer
    x = 14,920,866.52

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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.