Home / 27,993,743.40-41,990,615.10-7,798,985.40

Finding the Fourth Proportional to 27,993,743.40, 41,990,615.10 and 7,798,985.40

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Solution

The fourth proportional to 27,993,743.40, 41,990,615.10 and 7,798,985.40 is: 11,698,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,993,743.40 : 41,990,615.10 = 7,798,985.40 : x
  2. Step 2: Convert to fraction form
    27,993,743.40/41,990,615.10 = 7,798,985.40/x
  3. Step 3: Cross multiply
    27,993,743.40x = 41,990,615.10 × 7,798,985.40
  4. Step 4: Simplify right side
    27,993,743.40x = 327,484,194,101,919.56
  5. Step 5: Solve for x
    x = 327,484,194,101,919.56/27,993,743.40
  6. Step 6: Final answer
    x = 11,698,478.10

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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.