Home / 9,287,242.80-12,816,146.66-5,157,166.20

Finding the Fourth Proportional to 9,287,242.80, 12,816,146.66 and 5,157,166.20

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Solution

The fourth proportional to 9,287,242.80, 12,816,146.66 and 5,157,166.20 is: 7,116,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287,242.80 : 12,816,146.66 = 5,157,166.20 : x
  2. Step 2: Convert to fraction form
    9,287,242.80/12,816,146.66 = 5,157,166.20/x
  3. Step 3: Cross multiply
    9,287,242.80x = 12,816,146.66 × 5,157,166.20
  4. Step 4: Simplify right side
    9,287,242.80x = 66,094,998,369,194.90
  5. Step 5: Solve for x
    x = 66,094,998,369,194.90/9,287,242.80
  6. Step 6: Final answer
    x = 7,116,751.42

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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.