Home / 14,543,828.88-20,106,763.56-10,915,858.32

Finding the Fourth Proportional to 14,543,828.88, 20,106,763.56 and 10,915,858.32

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Solution

The fourth proportional to 14,543,828.88, 20,106,763.56 and 10,915,858.32 is: 15,091,114.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543,828.88 : 20,106,763.56 = 10,915,858.32 : x
  2. Step 2: Convert to fraction form
    14,543,828.88/20,106,763.56 = 10,915,858.32/x
  3. Step 3: Cross multiply
    14,543,828.88x = 20,106,763.56 × 10,915,858.32
  4. Step 4: Simplify right side
    14,543,828.88x = 219,482,582,294,698.81
  5. Step 5: Solve for x
    x = 219,482,582,294,698.81/14,543,828.88
  6. Step 6: Final answer
    x = 15,091,114.18

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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.