Home / 7,036,765.13-9,710,670.26-3,980,979.38

Finding the Fourth Proportional to 7,036,765.13, 9,710,670.26 and 3,980,979.38

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Solution

The fourth proportional to 7,036,765.13, 9,710,670.26 and 3,980,979.38 is: 5,493,714.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,036,765.13 : 9,710,670.26 = 3,980,979.38 : x
  2. Step 2: Convert to fraction form
    7,036,765.13/9,710,670.26 = 3,980,979.38/x
  3. Step 3: Cross multiply
    7,036,765.13x = 9,710,670.26 × 3,980,979.38
  4. Step 4: Simplify right side
    7,036,765.13x = 38,657,978,002,580.99
  5. Step 5: Solve for x
    x = 38,657,978,002,580.99/7,036,765.13
  6. Step 6: Final answer
    x = 5,493,714.42

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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.