Home / 28,048,643.40-42,072,965.10-25,025,334.60

Finding the Fourth Proportional to 28,048,643.40, 42,072,965.10 and 25,025,334.60

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Solution

The fourth proportional to 28,048,643.40, 42,072,965.10 and 25,025,334.60 is: 37,538,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048,643.40 : 42,072,965.10 = 25,025,334.60 : x
  2. Step 2: Convert to fraction form
    28,048,643.40/42,072,965.10 = 25,025,334.60/x
  3. Step 3: Cross multiply
    28,048,643.40x = 42,072,965.10 × 25,025,334.60
  4. Step 4: Simplify right side
    28,048,643.40x = 1,052,890,029,241,622.50
  5. Step 5: Solve for x
    x = 1,052,890,029,241,622.50/28,048,643.40
  6. Step 6: Final answer
    x = 37,538,001.90

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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.