Home / 28,308,916.80-42,463,303.83-7,838,568.14

Finding the Fourth Proportional to 28,308,916.80, 42,463,303.83 and 7,838,568.14

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Solution

The fourth proportional to 28,308,916.80, 42,463,303.83 and 7,838,568.14 is: 11,757,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308,916.80 : 42,463,303.83 = 7,838,568.14 : x
  2. Step 2: Convert to fraction form
    28,308,916.80/42,463,303.83 = 7,838,568.14/x
  3. Step 3: Cross multiply
    28,308,916.80x = 42,463,303.83 × 7,838,568.14
  4. Step 4: Simplify right side
    28,308,916.80x = 332,851,500,308,661.44
  5. Step 5: Solve for x
    x = 332,851,500,308,661.44/28,308,916.80
  6. Step 6: Final answer
    x = 11,757,832.44

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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.