Home / 9,287,242.92-12,816,146.84-5,157,166.32

Finding the Fourth Proportional to 9,287,242.92, 12,816,146.84 and 5,157,166.32

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Solution

The fourth proportional to 9,287,242.92, 12,816,146.84 and 5,157,166.32 is: 7,116,751.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287,242.92 : 12,816,146.84 = 5,157,166.32 : x
  2. Step 2: Convert to fraction form
    9,287,242.92/12,816,146.84 = 5,157,166.32/x
  3. Step 3: Cross multiply
    9,287,242.92x = 12,816,146.84 × 5,157,166.32
  4. Step 4: Simplify right side
    9,287,242.92x = 66,095,000,809,636.61
  5. Step 5: Solve for x
    x = 66,095,000,809,636.61/9,287,242.92
  6. Step 6: Final answer
    x = 7,116,751.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.