Home / 9,235,361.08-12,744,815.56-5,160,980.08

Finding the Fourth Proportional to 9,235,361.08, 12,744,815.56 and 5,160,980.08

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Solution

The fourth proportional to 9,235,361.08, 12,744,815.56 and 5,160,980.08 is: 7,122,162.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235,361.08 : 12,744,815.56 = 5,160,980.08 : x
  2. Step 2: Convert to fraction form
    9,235,361.08/12,744,815.56 = 5,160,980.08/x
  3. Step 3: Cross multiply
    9,235,361.08x = 12,744,815.56 × 5,160,980.08
  4. Step 4: Simplify right side
    9,235,361.08x = 65,775,739,228,434.05
  5. Step 5: Solve for x
    x = 65,775,739,228,434.05/9,235,361.08
  6. Step 6: Final answer
    x = 7,122,162.16

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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.