Home / 7,036,765.31-9,710,670.52-3,980,979.56

Finding the Fourth Proportional to 7,036,765.31, 9,710,670.52 and 3,980,979.56

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Solution

The fourth proportional to 7,036,765.31, 9,710,670.52 and 3,980,979.56 is: 5,493,714.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,036,765.31 : 9,710,670.52 = 3,980,979.56 : x
  2. Step 2: Convert to fraction form
    7,036,765.31/9,710,670.52 = 3,980,979.56/x
  3. Step 3: Cross multiply
    7,036,765.31x = 9,710,670.52 × 3,980,979.56
  4. Step 4: Simplify right side
    7,036,765.31x = 38,657,980,883,267.48
  5. Step 5: Solve for x
    x = 38,657,980,883,267.48/7,036,765.31
  6. Step 6: Final answer
    x = 5,493,714.68

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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.