Home / 27,783,111.02-38,340,693.21-15,559,968.02

Finding the Fourth Proportional to 27,783,111.02, 38,340,693.21 and 15,559,968.02

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Solution

The fourth proportional to 27,783,111.02, 38,340,693.21 and 15,559,968.02 is: 21,472,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,783,111.02 : 38,340,693.21 = 15,559,968.02 : x
  2. Step 2: Convert to fraction form
    27,783,111.02/38,340,693.21 = 15,559,968.02/x
  3. Step 3: Cross multiply
    27,783,111.02x = 38,340,693.21 × 15,559,968.02
  4. Step 4: Simplify right side
    27,783,111.02x = 596,579,959,942,727.88
  5. Step 5: Solve for x
    x = 596,579,959,942,727.88/27,783,111.02
  6. Step 6: Final answer
    x = 21,472,755.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.