Home / 37,513,942.28-51,768,128.46-20,769,428.08

Finding the Fourth Proportional to 37,513,942.28, 51,768,128.46 and 20,769,428.08

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Solution

The fourth proportional to 37,513,942.28, 51,768,128.46 and 20,769,428.08 is: 28,661,195.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,513,942.28 : 51,768,128.46 = 20,769,428.08 : x
  2. Step 2: Convert to fraction form
    37,513,942.28/51,768,128.46 = 20,769,428.08/x
  3. Step 3: Cross multiply
    37,513,942.28x = 51,768,128.46 × 20,769,428.08
  4. Step 4: Simplify right side
    37,513,942.28x = 1,075,194,420,886,171.12
  5. Step 5: Solve for x
    x = 1,075,194,420,886,171.12/37,513,942.28
  6. Step 6: Final answer
    x = 28,661,195.16

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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.