Home / 8,103,638.10-11,172,077.10-5,197,985.04

Finding the Fourth Proportional to 8,103,638.10, 11,172,077.10 and 5,197,985.04

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Solution

The fourth proportional to 8,103,638.10, 11,172,077.10 and 5,197,985.04 is: 7,166,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103,638.10 : 11,172,077.10 = 5,197,985.04 : x
  2. Step 2: Convert to fraction form
    8,103,638.10/11,172,077.10 = 5,197,985.04/x
  3. Step 3: Cross multiply
    8,103,638.10x = 11,172,077.10 × 5,197,985.04
  4. Step 4: Simplify right side
    8,103,638.10x = 58,072,289,631,526.59
  5. Step 5: Solve for x
    x = 58,072,289,631,526.59/8,103,638.10
  6. Step 6: Final answer
    x = 7,166,199.79

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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.