Home / 37,528,819.79-51,789,375.72-21,009,080.21

Finding the Fourth Proportional to 37,528,819.79, 51,789,375.72 and 21,009,080.21

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Solution

The fourth proportional to 37,528,819.79, 51,789,375.72 and 21,009,080.21 is: 28,992,309.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,528,819.79 : 51,789,375.72 = 21,009,080.21 : x
  2. Step 2: Convert to fraction form
    37,528,819.79/51,789,375.72 = 21,009,080.21/x
  3. Step 3: Cross multiply
    37,528,819.79x = 51,789,375.72 × 21,009,080.21
  4. Step 4: Simplify right side
    37,528,819.79x = 1,088,047,148,268,359.50
  5. Step 5: Solve for x
    x = 1,088,047,148,268,359.50/37,528,819.79
  6. Step 6: Final answer
    x = 28,992,309.23

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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.