Home / 7,756,640-11,636,220.72-2,292,289.28

Finding the Fourth Proportional to 7,756,640, 11,636,220.72 and 2,292,289.28

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Solution

The fourth proportional to 7,756,640, 11,636,220.72 and 2,292,289.28 is: 3,438,806.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756,640 : 11,636,220.72 = 2,292,289.28 : x
  2. Step 2: Convert to fraction form
    7,756,640/11,636,220.72 = 2,292,289.28/x
  3. Step 3: Cross multiply
    7,756,640x = 11,636,220.72 × 2,292,289.28
  4. Step 4: Simplify right side
    7,756,640x = 26,673,584,016,169.88
  5. Step 5: Solve for x
    x = 26,673,584,016,169.88/7,756,640
  6. Step 6: Final answer
    x = 3,438,806.50

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1.5x scale

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.