Home / 21,033,097.36-31,553,736.41-8,078,300.35

Finding the Fourth Proportional to 21,033,097.36, 31,553,736.41 and 8,078,300.35

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Solution

The fourth proportional to 21,033,097.36, 31,553,736.41 and 8,078,300.35 is: 12,119,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,097.36 : 31,553,736.41 = 8,078,300.35 : x
  2. Step 2: Convert to fraction form
    21,033,097.36/31,553,736.41 = 8,078,300.35/x
  3. Step 3: Cross multiply
    21,033,097.36x = 31,553,736.41 × 8,078,300.35
  4. Step 4: Simplify right side
    21,033,097.36x = 254,900,559,826,022.16
  5. Step 5: Solve for x
    x = 254,900,559,826,022.16/21,033,097.36
  6. Step 6: Final answer
    x = 12,119,021.54

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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.