Home / 28,181,048.90-42,258,250.87-10,917,337.46

Finding the Fourth Proportional to 28,181,048.90, 42,258,250.87 and 10,917,337.46

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Solution

The fourth proportional to 28,181,048.90, 42,258,250.87 and 10,917,337.46 is: 16,370,845.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181,048.90 : 42,258,250.87 = 10,917,337.46 : x
  2. Step 2: Convert to fraction form
    28,181,048.90/42,258,250.87 = 10,917,337.46/x
  3. Step 3: Cross multiply
    28,181,048.90x = 42,258,250.87 × 10,917,337.46
  4. Step 4: Simplify right side
    28,181,048.90x = 461,347,584,978,544
  5. Step 5: Solve for x
    x = 461,347,584,978,544/28,181,048.90
  6. Step 6: Final answer
    x = 16,370,845.06

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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.