Home / 28,247,544.72-42,317,837.64-16,698,435.12

Finding the Fourth Proportional to 28,247,544.72, 42,317,837.64 and 16,698,435.12

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Solution

The fourth proportional to 28,247,544.72, 42,317,837.64 and 16,698,435.12 is: 25,016,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247,544.72 : 42,317,837.64 = 16,698,435.12 : x
  2. Step 2: Convert to fraction form
    28,247,544.72/42,317,837.64 = 16,698,435.12/x
  3. Step 3: Cross multiply
    28,247,544.72x = 42,317,837.64 × 16,698,435.12
  4. Step 4: Simplify right side
    28,247,544.72x = 706,641,666,250,233.88
  5. Step 5: Solve for x
    x = 706,641,666,250,233.88/28,247,544.72
  6. Step 6: Final answer
    x = 25,016,038.50

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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.