Home / 12,228,544.05-16,868,343.09-7,636,893.81

Finding the Fourth Proportional to 12,228,544.05, 16,868,343.09 and 7,636,893.81

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Solution

The fourth proportional to 12,228,544.05, 16,868,343.09 and 7,636,893.81 is: 10,534,512.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228,544.05 : 16,868,343.09 = 7,636,893.81 : x
  2. Step 2: Convert to fraction form
    12,228,544.05/16,868,343.09 = 7,636,893.81/x
  3. Step 3: Cross multiply
    12,228,544.05x = 16,868,343.09 × 7,636,893.81
  4. Step 4: Simplify right side
    12,228,544.05x = 128,821,744,928,977.27
  5. Step 5: Solve for x
    x = 128,821,744,928,977.27/12,228,544.05
  6. Step 6: Final answer
    x = 10,534,512.07

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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.