Home / 15,571,040.38-21,476,093.28-9,369,622.20

Finding the Fourth Proportional to 15,571,040.38, 21,476,093.28 and 9,369,622.20

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Solution

The fourth proportional to 15,571,040.38, 21,476,093.28 and 9,369,622.20 is: 12,922,892.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571,040.38 : 21,476,093.28 = 9,369,622.20 : x
  2. Step 2: Convert to fraction form
    15,571,040.38/21,476,093.28 = 9,369,622.20/x
  3. Step 3: Cross multiply
    15,571,040.38x = 21,476,093.28 × 9,369,622.20
  4. Step 4: Simplify right side
    15,571,040.38x = 201,222,880,365,558.81
  5. Step 5: Solve for x
    x = 201,222,880,365,558.81/15,571,040.38
  6. Step 6: Final answer
    x = 12,922,892.46

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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.