Home / 28,954,278.16-43,431,389.08-7,388,880

Finding the Fourth Proportional to 28,954,278.16, 43,431,389.08 and 7,388,880

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Solution

The fourth proportional to 28,954,278.16, 43,431,389.08 and 7,388,880 is: 11,083,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954,278.16 : 43,431,389.08 = 7,388,880 : x
  2. Step 2: Convert to fraction form
    28,954,278.16/43,431,389.08 = 7,388,880/x
  3. Step 3: Cross multiply
    28,954,278.16x = 43,431,389.08 × 7,388,880
  4. Step 4: Simplify right side
    28,954,278.16x = 320,909,322,145,430.38
  5. Step 5: Solve for x
    x = 320,909,322,145,430.38/28,954,278.16
  6. Step 6: Final answer
    x = 11,083,312.81

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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.