Home / 15,047,857.08-20,766,164.81-8,172,388.35

Finding the Fourth Proportional to 15,047,857.08, 20,766,164.81 and 8,172,388.35

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Solution

The fourth proportional to 15,047,857.08, 20,766,164.81 and 8,172,388.35 is: 11,277,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,047,857.08 : 20,766,164.81 = 8,172,388.35 : x
  2. Step 2: Convert to fraction form
    15,047,857.08/20,766,164.81 = 8,172,388.35/x
  3. Step 3: Cross multiply
    15,047,857.08x = 20,766,164.81 × 8,172,388.35
  4. Step 4: Simplify right side
    15,047,857.08x = 169,709,163,326,562
  5. Step 5: Solve for x
    x = 169,709,163,326,562/15,047,857.08
  6. Step 6: Final answer
    x = 11,277,962.20

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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.