Home / 31,401,074.70-43,327,130.46-18,345,812.22

Finding the Fourth Proportional to 31,401,074.70, 43,327,130.46 and 18,345,812.22

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Solution

The fourth proportional to 31,401,074.70, 43,327,130.46 and 18,345,812.22 is: 25,313,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,401,074.70 : 43,327,130.46 = 18,345,812.22 : x
  2. Step 2: Convert to fraction form
    31,401,074.70/43,327,130.46 = 18,345,812.22/x
  3. Step 3: Cross multiply
    31,401,074.70x = 43,327,130.46 × 18,345,812.22
  4. Step 4: Simplify right side
    31,401,074.70x = 794,871,399,450,602.12
  5. Step 5: Solve for x
    x = 794,871,399,450,602.12/31,401,074.70
  6. Step 6: Final answer
    x = 25,313,509.40

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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.