Home / 28,023,129-42,036,466.86-11,846,064.60

Finding the Fourth Proportional to 28,023,129, 42,036,466.86 and 11,846,064.60

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Solution

The fourth proportional to 28,023,129, 42,036,466.86 and 11,846,064.60 is: 17,769,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023,129 : 42,036,466.86 = 11,846,064.60 : x
  2. Step 2: Convert to fraction form
    28,023,129/42,036,466.86 = 11,846,064.60/x
  3. Step 3: Cross multiply
    28,023,129x = 42,036,466.86 × 11,846,064.60
  4. Step 4: Simplify right side
    28,023,129x = 497,966,701,979,319.12
  5. Step 5: Solve for x
    x = 497,966,701,979,319.12/28,023,129
  6. Step 6: Final answer
    x = 17,769,846.54

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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.