Home / 28,134,329.08-42,195,588.64-7,934,847.16

Finding the Fourth Proportional to 28,134,329.08, 42,195,588.64 and 7,934,847.16

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Solution

The fourth proportional to 28,134,329.08, 42,195,588.64 and 7,934,847.16 is: 11,900,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134,329.08 : 42,195,588.64 = 7,934,847.16 : x
  2. Step 2: Convert to fraction form
    28,134,329.08/42,195,588.64 = 7,934,847.16/x
  3. Step 3: Cross multiply
    28,134,329.08x = 42,195,588.64 × 7,934,847.16
  4. Step 4: Simplify right side
    28,134,329.08x = 334,815,546,684,632.25
  5. Step 5: Solve for x
    x = 334,815,546,684,632.25/28,134,329.08
  6. Step 6: Final answer
    x = 11,900,605.33

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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.