Home / 28,445,172.54-42,667,779.57-6,879,795

Finding the Fourth Proportional to 28,445,172.54, 42,667,779.57 and 6,879,795

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Solution

The fourth proportional to 28,445,172.54, 42,667,779.57 and 6,879,795 is: 10,319,697.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445,172.54 : 42,667,779.57 = 6,879,795 : x
  2. Step 2: Convert to fraction form
    28,445,172.54/42,667,779.57 = 6,879,795/x
  3. Step 3: Cross multiply
    28,445,172.54x = 42,667,779.57 × 6,879,795
  4. Step 4: Simplify right side
    28,445,172.54x = 293,545,576,546,788.12
  5. Step 5: Solve for x
    x = 293,545,576,546,788.12/28,445,172.54
  6. Step 6: Final answer
    x = 10,319,697.52

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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.