Home / 7,249,076.40-10,866,702.60-2,698,906.80

Finding the Fourth Proportional to 7,249,076.40, 10,866,702.60 and 2,698,906.80

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Solution

The fourth proportional to 7,249,076.40, 10,866,702.60 and 2,698,906.80 is: 4,045,786.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249,076.40 : 10,866,702.60 = 2,698,906.80 : x
  2. Step 2: Convert to fraction form
    7,249,076.40/10,866,702.60 = 2,698,906.80/x
  3. Step 3: Cross multiply
    7,249,076.40x = 10,866,702.60 × 2,698,906.80
  4. Step 4: Simplify right side
    7,249,076.40x = 29,328,217,540,717.68
  5. Step 5: Solve for x
    x = 29,328,217,540,717.68/7,249,076.40
  6. Step 6: Final answer
    x = 4,045,786.79

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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.