Home / 9,327,312.52-12,871,351.32-5,197,130.20

Finding the Fourth Proportional to 9,327,312.52, 12,871,351.32 and 5,197,130.20

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Solution

The fourth proportional to 9,327,312.52, 12,871,351.32 and 5,197,130.20 is: 7,171,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327,312.52 : 12,871,351.32 = 5,197,130.20 : x
  2. Step 2: Convert to fraction form
    9,327,312.52/12,871,351.32 = 5,197,130.20/x
  3. Step 3: Cross multiply
    9,327,312.52x = 12,871,351.32 × 5,197,130.20
  4. Step 4: Simplify right side
    9,327,312.52x = 66,894,088,659,981.87
  5. Step 5: Solve for x
    x = 66,894,088,659,981.87/9,327,312.52
  6. Step 6: Final answer
    x = 7,171,850.25

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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.