Home / 7,146,307.46-9,861,966.58-3,883,122.25

Finding the Fourth Proportional to 7,146,307.46, 9,861,966.58 and 3,883,122.25

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Solution

The fourth proportional to 7,146,307.46, 9,861,966.58 and 3,883,122.25 is: 5,358,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,307.46 : 9,861,966.58 = 3,883,122.25 : x
  2. Step 2: Convert to fraction form
    7,146,307.46/9,861,966.58 = 3,883,122.25/x
  3. Step 3: Cross multiply
    7,146,307.46x = 9,861,966.58 × 3,883,122.25
  4. Step 4: Simplify right side
    7,146,307.46x = 38,295,221,811,483.88
  5. Step 5: Solve for x
    x = 38,295,221,811,483.88/7,146,307.46
  6. Step 6: Final answer
    x = 5,358,742.54

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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.