Home / 11,146,005.51-15,374,955.20-7,009,475.43

Finding the Fourth Proportional to 11,146,005.51, 15,374,955.20 and 7,009,475.43

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Solution

The fourth proportional to 11,146,005.51, 15,374,955.20 and 7,009,475.43 is: 9,668,968.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146,005.51 : 15,374,955.20 = 7,009,475.43 : x
  2. Step 2: Convert to fraction form
    11,146,005.51/15,374,955.20 = 7,009,475.43/x
  3. Step 3: Cross multiply
    11,146,005.51x = 15,374,955.20 × 7,009,475.43
  4. Step 4: Simplify right side
    11,146,005.51x = 107,770,370,734,359.44
  5. Step 5: Solve for x
    x = 107,770,370,734,359.44/11,146,005.51
  6. Step 6: Final answer
    x = 9,668,968.01

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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.