Home / 28,741,025.16-39,662,284.02-15,688,178.10

Finding the Fourth Proportional to 28,741,025.16, 39,662,284.02 and 15,688,178.10

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Solution

The fourth proportional to 28,741,025.16, 39,662,284.02 and 15,688,178.10 is: 21,649,505.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741,025.16 : 39,662,284.02 = 15,688,178.10 : x
  2. Step 2: Convert to fraction form
    28,741,025.16/39,662,284.02 = 15,688,178.10/x
  3. Step 3: Cross multiply
    28,741,025.16x = 39,662,284.02 × 15,688,178.10
  4. Step 4: Simplify right side
    28,741,025.16x = 622,228,975,558,544
  5. Step 5: Solve for x
    x = 622,228,975,558,544/28,741,025.16
  6. Step 6: Final answer
    x = 21,649,505.27

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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.