Home / 28,032,057.60-42,048,086.40-10,078,828.80

Finding the Fourth Proportional to 28,032,057.60, 42,048,086.40 and 10,078,828.80

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Solution

The fourth proportional to 28,032,057.60, 42,048,086.40 and 10,078,828.80 is: 15,118,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032,057.60 : 42,048,086.40 = 10,078,828.80 : x
  2. Step 2: Convert to fraction form
    28,032,057.60/42,048,086.40 = 10,078,828.80/x
  3. Step 3: Cross multiply
    28,032,057.60x = 42,048,086.40 × 10,078,828.80
  4. Step 4: Simplify right side
    28,032,057.60x = 423,795,464,193,208.31
  5. Step 5: Solve for x
    x = 423,795,464,193,208.31/28,032,057.60
  6. Step 6: Final answer
    x = 15,118,243.20

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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.