Home / 9,072,143.10-13,599,357.30-8,115,549.30

Finding the Fourth Proportional to 9,072,143.10, 13,599,357.30 and 8,115,549.30

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Solution

The fourth proportional to 9,072,143.10, 13,599,357.30 and 8,115,549.30 is: 12,165,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,143.10 : 13,599,357.30 = 8,115,549.30 : x
  2. Step 2: Convert to fraction form
    9,072,143.10/13,599,357.30 = 8,115,549.30/x
  3. Step 3: Cross multiply
    9,072,143.10x = 13,599,357.30 × 8,115,549.30
  4. Step 4: Simplify right side
    9,072,143.10x = 110,366,254,616,464.89
  5. Step 5: Solve for x
    x = 110,366,254,616,464.89/9,072,143.10
  6. Step 6: Final answer
    x = 12,165,400.55

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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.