Home / 14,874,632.87-20,513,268.87-9,915,919.28

Finding the Fourth Proportional to 14,874,632.87, 20,513,268.87 and 9,915,919.28

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Solution

The fourth proportional to 14,874,632.87, 20,513,268.87 and 9,915,919.28 is: 13,674,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,874,632.87 : 20,513,268.87 = 9,915,919.28 : x
  2. Step 2: Convert to fraction form
    14,874,632.87/20,513,268.87 = 9,915,919.28/x
  3. Step 3: Cross multiply
    14,874,632.87x = 20,513,268.87 × 9,915,919.28
  4. Step 4: Simplify right side
    14,874,632.87x = 203,407,918,181,290.50
  5. Step 5: Solve for x
    x = 203,407,918,181,290.50/14,874,632.87
  6. Step 6: Final answer
    x = 13,674,819.40

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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.