Home / 28,200,962.58-42,301,589.82-12,837,507.96

Finding the Fourth Proportional to 28,200,962.58, 42,301,589.82 and 12,837,507.96

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Solution

The fourth proportional to 28,200,962.58, 42,301,589.82 and 12,837,507.96 is: 19,256,328.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,200,962.58 : 42,301,589.82 = 12,837,507.96 : x
  2. Step 2: Convert to fraction form
    28,200,962.58/42,301,589.82 = 12,837,507.96/x
  3. Step 3: Cross multiply
    28,200,962.58x = 42,301,589.82 × 12,837,507.96
  4. Step 4: Simplify right side
    28,200,962.58x = 543,046,996,034,905
  5. Step 5: Solve for x
    x = 543,046,996,034,905/28,200,962.58
  6. Step 6: Final answer
    x = 19,256,328.38

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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.