Home / 9,792,021.20-14,688,031.80-9,128,469.20

Finding the Fourth Proportional to 9,792,021.20, 14,688,031.80 and 9,128,469.20

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Solution

The fourth proportional to 9,792,021.20, 14,688,031.80 and 9,128,469.20 is: 13,692,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792,021.20 : 14,688,031.80 = 9,128,469.20 : x
  2. Step 2: Convert to fraction form
    9,792,021.20/14,688,031.80 = 9,128,469.20/x
  3. Step 3: Cross multiply
    9,792,021.20x = 14,688,031.80 × 9,128,469.20
  4. Step 4: Simplify right side
    9,792,021.20x = 134,079,245,894,920.56
  5. Step 5: Solve for x
    x = 134,079,245,894,920.56/9,792,021.20
  6. Step 6: Final answer
    x = 13,692,703.80

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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.