Home / 18,714,348.15-28,064,436.34-7,348,596.63

Finding the Fourth Proportional to 18,714,348.15, 28,064,436.34 and 7,348,596.63

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Solution

The fourth proportional to 18,714,348.15, 28,064,436.34 and 7,348,596.63 is: 11,020,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714,348.15 : 28,064,436.34 = 7,348,596.63 : x
  2. Step 2: Convert to fraction form
    18,714,348.15/28,064,436.34 = 7,348,596.63/x
  3. Step 3: Cross multiply
    18,714,348.15x = 28,064,436.34 × 7,348,596.63
  4. Step 4: Simplify right side
    18,714,348.15x = 206,234,222,310,973.53
  5. Step 5: Solve for x
    x = 206,234,222,310,973.53/18,714,348.15
  6. Step 6: Final answer
    x = 11,020,112.52

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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.