Home / 9,147,828.90-13,716,730.86-4,218,509.58

Finding the Fourth Proportional to 9,147,828.90, 13,716,730.86 and 4,218,509.58

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Solution

The fourth proportional to 9,147,828.90, 13,716,730.86 and 4,218,509.58 is: 6,325,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147,828.90 : 13,716,730.86 = 4,218,509.58 : x
  2. Step 2: Convert to fraction form
    9,147,828.90/13,716,730.86 = 4,218,509.58/x
  3. Step 3: Cross multiply
    9,147,828.90x = 13,716,730.86 × 4,218,509.58
  4. Step 4: Simplify right side
    9,147,828.90x = 57,864,160,539,191.64
  5. Step 5: Solve for x
    x = 57,864,160,539,191.64/9,147,828.90
  6. Step 6: Final answer
    x = 6,325,452.87

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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.