Home / 18,895,239.02-28,325,980.35-7,378,026.82

Finding the Fourth Proportional to 18,895,239.02, 28,325,980.35 and 7,378,026.82

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Solution

The fourth proportional to 18,895,239.02, 28,325,980.35 and 7,378,026.82 is: 11,060,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895,239.02 : 28,325,980.35 = 7,378,026.82 : x
  2. Step 2: Convert to fraction form
    18,895,239.02/28,325,980.35 = 7,378,026.82/x
  3. Step 3: Cross multiply
    18,895,239.02x = 28,325,980.35 × 7,378,026.82
  4. Step 4: Simplify right side
    18,895,239.02x = 208,989,842,654,278.03
  5. Step 5: Solve for x
    x = 208,989,842,654,278.03/18,895,239.02
  6. Step 6: Final answer
    x = 11,060,449.80

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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.