Home / 11,416,966.40-15,740,172.08-9,069,951.58

Finding the Fourth Proportional to 11,416,966.40, 15,740,172.08 and 9,069,951.58

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Solution

The fourth proportional to 11,416,966.40, 15,740,172.08 and 9,069,951.58 is: 12,504,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416,966.40 : 15,740,172.08 = 9,069,951.58 : x
  2. Step 2: Convert to fraction form
    11,416,966.40/15,740,172.08 = 9,069,951.58/x
  3. Step 3: Cross multiply
    11,416,966.40x = 15,740,172.08 × 9,069,951.58
  4. Step 4: Simplify right side
    11,416,966.40x = 142,762,598,626,467.88
  5. Step 5: Solve for x
    x = 142,762,598,626,467.88/11,416,966.40
  6. Step 6: Final answer
    x = 12,504,424.87

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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.