Home / 28,283,522.85-42,407,921.57-10,991,533.28

Finding the Fourth Proportional to 28,283,522.85, 42,407,921.57 and 10,991,533.28

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Solution

The fourth proportional to 28,283,522.85, 42,407,921.57 and 10,991,533.28 is: 16,480,552.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,283,522.85 : 42,407,921.57 = 10,991,533.28 : x
  2. Step 2: Convert to fraction form
    28,283,522.85/42,407,921.57 = 10,991,533.28/x
  3. Step 3: Cross multiply
    28,283,522.85x = 42,407,921.57 × 10,991,533.28
  4. Step 4: Simplify right side
    28,283,522.85x = 466,128,081,005,287.56
  5. Step 5: Solve for x
    x = 466,128,081,005,287.56/28,283,522.85
  6. Step 6: Final answer
    x = 16,480,552.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.