Home / 10,893,286.40-16,339,929.60-7,240,121.60

Finding the Fourth Proportional to 10,893,286.40, 16,339,929.60 and 7,240,121.60

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Solution

The fourth proportional to 10,893,286.40, 16,339,929.60 and 7,240,121.60 is: 10,860,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893,286.40 : 16,339,929.60 = 7,240,121.60 : x
  2. Step 2: Convert to fraction form
    10,893,286.40/16,339,929.60 = 7,240,121.60/x
  3. Step 3: Cross multiply
    10,893,286.40x = 16,339,929.60 × 7,240,121.60
  4. Step 4: Simplify right side
    10,893,286.40x = 118,303,077,239,439.34
  5. Step 5: Solve for x
    x = 118,303,077,239,439.34/10,893,286.40
  6. Step 6: Final answer
    x = 10,860,182.40

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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.