Home / 15,484,419.36-21,362,361.12-8,956,836.72

Finding the Fourth Proportional to 15,484,419.36, 21,362,361.12 and 8,956,836.72

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Solution

The fourth proportional to 15,484,419.36, 21,362,361.12 and 8,956,836.72 is: 12,356,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,484,419.36 : 21,362,361.12 = 8,956,836.72 : x
  2. Step 2: Convert to fraction form
    15,484,419.36/21,362,361.12 = 8,956,836.72/x
  3. Step 3: Cross multiply
    15,484,419.36x = 21,362,361.12 × 8,956,836.72
  4. Step 4: Simplify right side
    15,484,419.36x = 191,339,180,505,516.34
  5. Step 5: Solve for x
    x = 191,339,180,505,516.34/15,484,419.36
  6. Step 6: Final answer
    x = 12,356,884.43

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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.