Home / 28,622,040.60-42,982,827.30-15,185,112.60

Finding the Fourth Proportional to 28,622,040.60, 42,982,827.30 and 15,185,112.60

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Solution

The fourth proportional to 28,622,040.60, 42,982,827.30 and 15,185,112.60 is: 22,804,071.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622,040.60 : 42,982,827.30 = 15,185,112.60 : x
  2. Step 2: Convert to fraction form
    28,622,040.60/42,982,827.30 = 15,185,112.60/x
  3. Step 3: Cross multiply
    28,622,040.60x = 42,982,827.30 × 15,185,112.60
  4. Step 4: Simplify right side
    28,622,040.60x = 652,699,072,416,853.88
  5. Step 5: Solve for x
    x = 652,699,072,416,853.88/28,622,040.60
  6. Step 6: Final answer
    x = 22,804,071.92

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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.