Home / 28,458,157.75-42,688,417.61-8,263,399.75

Finding the Fourth Proportional to 28,458,157.75, 42,688,417.61 and 8,263,399.75

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Solution

The fourth proportional to 28,458,157.75, 42,688,417.61 and 8,263,399.75 is: 12,395,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,157.75 : 42,688,417.61 = 8,263,399.75 : x
  2. Step 2: Convert to fraction form
    28,458,157.75/42,688,417.61 = 8,263,399.75/x
  3. Step 3: Cross multiply
    28,458,157.75x = 42,688,417.61 × 8,263,399.75
  4. Step 4: Simplify right side
    28,458,157.75x = 352,751,459,406,369.56
  5. Step 5: Solve for x
    x = 352,751,459,406,369.56/28,458,157.75
  6. Step 6: Final answer
    x = 12,395,442.55

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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.