Home / 10,023,033.86-13,824,640.06-9,198,763.28

Finding the Fourth Proportional to 10,023,033.86, 13,824,640.06 and 9,198,763.28

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Solution

The fourth proportional to 10,023,033.86, 13,824,640.06 and 9,198,763.28 is: 12,687,734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,023,033.86 : 13,824,640.06 = 9,198,763.28 : x
  2. Step 2: Convert to fraction form
    10,023,033.86/13,824,640.06 = 9,198,763.28/x
  3. Step 3: Cross multiply
    10,023,033.86x = 13,824,640.06 × 9,198,763.28
  4. Step 4: Simplify right side
    10,023,033.86x = 127,169,591,343,145
  5. Step 5: Solve for x
    x = 127,169,591,343,145/10,023,033.86
  6. Step 6: Final answer
    x = 12,687,734.38

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1.5x scale

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.