Home / 28,007,090.40-42,010,635.60-25,854,754.35

Finding the Fourth Proportional to 28,007,090.40, 42,010,635.60 and 25,854,754.35

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Solution

The fourth proportional to 28,007,090.40, 42,010,635.60 and 25,854,754.35 is: 38,782,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007,090.40 : 42,010,635.60 = 25,854,754.35 : x
  2. Step 2: Convert to fraction form
    28,007,090.40/42,010,635.60 = 25,854,754.35/x
  3. Step 3: Cross multiply
    28,007,090.40x = 42,010,635.60 × 25,854,754.35
  4. Step 4: Simplify right side
    28,007,090.40x = 1,086,174,663,525,365
  5. Step 5: Solve for x
    x = 1,086,174,663,525,365/28,007,090.40
  6. Step 6: Final answer
    x = 38,782,131.53

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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.