Home / 7,173,152.88-9,898,653.12-3,909,895.80

Finding the Fourth Proportional to 7,173,152.88, 9,898,653.12 and 3,909,895.80

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Solution

The fourth proportional to 7,173,152.88, 9,898,653.12 and 3,909,895.80 is: 5,395,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173,152.88 : 9,898,653.12 = 3,909,895.80 : x
  2. Step 2: Convert to fraction form
    7,173,152.88/9,898,653.12 = 3,909,895.80/x
  3. Step 3: Cross multiply
    7,173,152.88x = 9,898,653.12 × 3,909,895.80
  4. Step 4: Simplify right side
    7,173,152.88x = 38,702,702,259,544.89
  5. Step 5: Solve for x
    x = 38,702,702,259,544.89/7,173,152.88
  6. Step 6: Final answer
    x = 5,395,493.85

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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.