Home / 28,458,468.34-42,688,883.58-8,263,710.34

Finding the Fourth Proportional to 28,458,468.34, 42,688,883.58 and 8,263,710.34

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Solution

The fourth proportional to 28,458,468.34, 42,688,883.58 and 8,263,710.34 is: 12,395,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,468.34 : 42,688,883.58 = 8,263,710.34 : x
  2. Step 2: Convert to fraction form
    28,458,468.34/42,688,883.58 = 8,263,710.34/x
  3. Step 3: Cross multiply
    28,458,468.34x = 42,688,883.58 × 8,263,710.34
  4. Step 4: Simplify right side
    28,458,468.34x = 352,768,568,643,102.19
  5. Step 5: Solve for x
    x = 352,768,568,643,102.19/28,458,468.34
  6. Step 6: Final answer
    x = 12,395,908.47

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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.