Home / 10,992,368.35-16,480,580.91-7,389,198.37

Finding the Fourth Proportional to 10,992,368.35, 16,480,580.91 and 7,389,198.37

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Solution

The fourth proportional to 10,992,368.35, 16,480,580.91 and 7,389,198.37 is: 11,078,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,368.35 : 16,480,580.91 = 7,389,198.37 : x
  2. Step 2: Convert to fraction form
    10,992,368.35/16,480,580.91 = 7,389,198.37/x
  3. Step 3: Cross multiply
    10,992,368.35x = 16,480,580.91 × 7,389,198.37
  4. Step 4: Simplify right side
    10,992,368.35x = 121,778,281,596,825.12
  5. Step 5: Solve for x
    x = 121,778,281,596,825.12/10,992,368.35
  6. Step 6: Final answer
    x = 11,078,438.94

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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.