Home / 28,336,388.09-42,507,616.59-7,866,193.23

Finding the Fourth Proportional to 28,336,388.09, 42,507,616.59 and 7,866,193.23

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Solution

The fourth proportional to 28,336,388.09, 42,507,616.59 and 7,866,193.23 is: 11,800,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336,388.09 : 42,507,616.59 = 7,866,193.23 : x
  2. Step 2: Convert to fraction form
    28,336,388.09/42,507,616.59 = 7,866,193.23/x
  3. Step 3: Cross multiply
    28,336,388.09x = 42,507,616.59 × 7,866,193.23
  4. Step 4: Simplify right side
    28,336,388.09x = 334,373,125,843,693.75
  5. Step 5: Solve for x
    x = 334,373,125,843,693.75/28,336,388.09
  6. Step 6: Final answer
    x = 11,800,132.21

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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.