Home / 8,090,985.10-12,143,366.70-3,302,111.20

Finding the Fourth Proportional to 8,090,985.10, 12,143,366.70 and 3,302,111.20

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Solution

The fourth proportional to 8,090,985.10, 12,143,366.70 and 3,302,111.20 is: 4,955,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090,985.10 : 12,143,366.70 = 3,302,111.20 : x
  2. Step 2: Convert to fraction form
    8,090,985.10/12,143,366.70 = 3,302,111.20/x
  3. Step 3: Cross multiply
    8,090,985.10x = 12,143,366.70 × 3,302,111.20
  4. Step 4: Simplify right side
    8,090,985.10x = 40,098,747,185,777.04
  5. Step 5: Solve for x
    x = 40,098,747,185,777.04/8,090,985.10
  6. Step 6: Final answer
    x = 4,955,978.37

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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.