Home / 7,106,264.58-10,660,048.40-1,988,680.32

Finding the Fourth Proportional to 7,106,264.58, 10,660,048.40 and 1,988,680.32

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Solution

The fourth proportional to 7,106,264.58, 10,660,048.40 and 1,988,680.32 is: 2,983,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106,264.58 : 10,660,048.40 = 1,988,680.32 : x
  2. Step 2: Convert to fraction form
    7,106,264.58/10,660,048.40 = 1,988,680.32/x
  3. Step 3: Cross multiply
    7,106,264.58x = 10,660,048.40 × 1,988,680.32
  4. Step 4: Simplify right side
    7,106,264.58x = 21,199,428,463,327.49
  5. Step 5: Solve for x
    x = 21,199,428,463,327.49/7,106,264.58
  6. Step 6: Final answer
    x = 2,983,202.81

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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.