Home / 9,720,288.56-13,414,405.48-5,590,322.51

Finding the Fourth Proportional to 9,720,288.56, 13,414,405.48 and 5,590,322.51

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Solution

The fourth proportional to 9,720,288.56, 13,414,405.48 and 5,590,322.51 is: 7,714,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,288.56 : 13,414,405.48 = 5,590,322.51 : x
  2. Step 2: Convert to fraction form
    9,720,288.56/13,414,405.48 = 5,590,322.51/x
  3. Step 3: Cross multiply
    9,720,288.56x = 13,414,405.48 × 5,590,322.51
  4. Step 4: Simplify right side
    9,720,288.56x = 74,990,852,832,063.52
  5. Step 5: Solve for x
    x = 74,990,852,832,063.52/9,720,288.56
  6. Step 6: Final answer
    x = 7,714,879.28

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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.