Home / 28,633,253.20-39,513,557.27-15,580,287.23

Finding the Fourth Proportional to 28,633,253.20, 39,513,557.27 and 15,580,287.23

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Solution

The fourth proportional to 28,633,253.20, 39,513,557.27 and 15,580,287.23 is: 21,500,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,633,253.20 : 39,513,557.27 = 15,580,287.23 : x
  2. Step 2: Convert to fraction form
    28,633,253.20/39,513,557.27 = 15,580,287.23/x
  3. Step 3: Cross multiply
    28,633,253.20x = 39,513,557.27 × 15,580,287.23
  4. Step 4: Simplify right side
    28,633,253.20x = 615,632,571,543,210.12
  5. Step 5: Solve for x
    x = 615,632,571,543,210.12/28,633,253.20
  6. Step 6: Final answer
    x = 21,500,615.64

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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.