Home / 18,849,999.15-28,276,622.01-5,203,148.31

Finding the Fourth Proportional to 18,849,999.15, 28,276,622.01 and 5,203,148.31

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Solution

The fourth proportional to 18,849,999.15, 28,276,622.01 and 5,203,148.31 is: 7,805,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849,999.15 : 28,276,622.01 = 5,203,148.31 : x
  2. Step 2: Convert to fraction form
    18,849,999.15/28,276,622.01 = 5,203,148.31/x
  3. Step 3: Cross multiply
    18,849,999.15x = 28,276,622.01 × 5,203,148.31
  4. Step 4: Simplify right side
    18,849,999.15x = 147,127,458,023,840.31
  5. Step 5: Solve for x
    x = 147,127,458,023,840.31/18,849,999.15
  6. Step 6: Final answer
    x = 7,805,170.54

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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.