Home / 9,821,670.12-13,554,210.73-5,636,121.48

Finding the Fourth Proportional to 9,821,670.12, 13,554,210.73 and 5,636,121.48

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Solution

The fourth proportional to 9,821,670.12, 13,554,210.73 and 5,636,121.48 is: 7,778,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821,670.12 : 13,554,210.73 = 5,636,121.48 : x
  2. Step 2: Convert to fraction form
    9,821,670.12/13,554,210.73 = 5,636,121.48/x
  3. Step 3: Cross multiply
    9,821,670.12x = 13,554,210.73 × 5,636,121.48
  4. Step 4: Simplify right side
    9,821,670.12x = 76,393,178,239,799.48
  5. Step 5: Solve for x
    x = 76,393,178,239,799.48/9,821,670.12
  6. Step 6: Final answer
    x = 7,778,023.22

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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.