Home / 9,968,021.25-13,755,874.86-5,384,342.67

Finding the Fourth Proportional to 9,968,021.25, 13,755,874.86 and 5,384,342.67

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Solution

The fourth proportional to 9,968,021.25, 13,755,874.86 and 5,384,342.67 is: 7,430,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968,021.25 : 13,755,874.86 = 5,384,342.67 : x
  2. Step 2: Convert to fraction form
    9,968,021.25/13,755,874.86 = 5,384,342.67/x
  3. Step 3: Cross multiply
    9,968,021.25x = 13,755,874.86 × 5,384,342.67
  4. Step 4: Simplify right side
    9,968,021.25x = 74,066,343,971,878.27
  5. Step 5: Solve for x
    x = 74,066,343,971,878.27/9,968,021.25
  6. Step 6: Final answer
    x = 7,430,395.87

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1.5x scale

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.