Home / 6,457,405.56-8,911,218.63-3,556,796.37

Finding the Fourth Proportional to 6,457,405.56, 8,911,218.63 and 3,556,796.37

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Solution

The fourth proportional to 6,457,405.56, 8,911,218.63 and 3,556,796.37 is: 4,908,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,405.56 : 8,911,218.63 = 3,556,796.37 : x
  2. Step 2: Convert to fraction form
    6,457,405.56/8,911,218.63 = 3,556,796.37/x
  3. Step 3: Cross multiply
    6,457,405.56x = 8,911,218.63 × 3,556,796.37
  4. Step 4: Simplify right side
    6,457,405.56x = 31,695,390,075,460.38
  5. Step 5: Solve for x
    x = 31,695,390,075,460.38/6,457,405.56
  6. Step 6: Final answer
    x = 4,908,378.42

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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.