Home / 28,082,761.40-42,092,649.30-14,430,632.60

Finding the Fourth Proportional to 28,082,761.40, 42,092,649.30 and 14,430,632.60

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Solution

The fourth proportional to 28,082,761.40, 42,092,649.30 and 14,430,632.60 is: 21,629,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,761.40 : 42,092,649.30 = 14,430,632.60 : x
  2. Step 2: Convert to fraction form
    28,082,761.40/42,092,649.30 = 14,430,632.60/x
  3. Step 3: Cross multiply
    28,082,761.40x = 42,092,649.30 × 14,430,632.60
  4. Step 4: Simplify right side
    28,082,761.40x = 607,423,557,208,947.12
  5. Step 5: Solve for x
    x = 607,423,557,208,947.12/28,082,761.40
  6. Step 6: Final answer
    x = 21,629,765.98

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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.