Home / 7,148,045.88-9,864,303.53-3,884,868.54

Finding the Fourth Proportional to 7,148,045.88, 9,864,303.53 and 3,884,868.54

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Solution

The fourth proportional to 7,148,045.88, 9,864,303.53 and 3,884,868.54 is: 5,361,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,045.88 : 9,864,303.53 = 3,884,868.54 : x
  2. Step 2: Convert to fraction form
    7,148,045.88/9,864,303.53 = 3,884,868.54/x
  3. Step 3: Cross multiply
    7,148,045.88x = 9,864,303.53 × 3,884,868.54
  4. Step 4: Simplify right side
    7,148,045.88x = 38,321,522,433,283.60
  5. Step 5: Solve for x
    x = 38,321,522,433,283.60/7,148,045.88
  6. Step 6: Final answer
    x = 5,361,118.70

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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.