Home / 7,140,199.56-10,710,643.79-2,347,782.72

Finding the Fourth Proportional to 7,140,199.56, 10,710,643.79 and 2,347,782.72

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Solution

The fourth proportional to 7,140,199.56, 10,710,643.79 and 2,347,782.72 is: 3,521,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,199.56 : 10,710,643.79 = 2,347,782.72 : x
  2. Step 2: Convert to fraction form
    7,140,199.56/10,710,643.79 = 2,347,782.72/x
  3. Step 3: Cross multiply
    7,140,199.56x = 10,710,643.79 × 2,347,782.72
  4. Step 4: Simplify right side
    7,140,199.56x = 25,146,264,410,237.31
  5. Step 5: Solve for x
    x = 25,146,264,410,237.31/7,140,199.56
  6. Step 6: Final answer
    x = 3,521,787.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.