Home / 21,062,601,571.26-31,604,764,486.11-9,871,612,667.22

Finding the Fourth Proportional to 21,062,601,571.26, 31,604,764,486.11 and 9,871,612,667.22

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Solution

The fourth proportional to 21,062,601,571.26, 31,604,764,486.11 and 9,871,612,667.22 is: 14,812,509,859.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062,601,571.26 : 31,604,764,486.11 = 9,871,612,667.22 : x
  2. Step 2: Convert to fraction form
    21,062,601,571.26/31,604,764,486.11 = 9,871,612,667.22/x
  3. Step 3: Cross multiply
    21,062,601,571.26x = 31,604,764,486.11 × 9,871,612,667.22
  4. Step 4: Simplify right side
    21,062,601,571.26x = 311,989,993,445,668,880,384
  5. Step 5: Solve for x
    x = 311,989,993,445,668,880,384/21,062,601,571.26
  6. Step 6: Final answer
    x = 14,812,509,859.72

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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.