Home / 12,848,445.20-17,730,879.72-7,047,274.16

Finding the Fourth Proportional to 12,848,445.20, 17,730,879.72 and 7,047,274.16

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Solution

The fourth proportional to 12,848,445.20, 17,730,879.72 and 7,047,274.16 is: 9,725,252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848,445.20 : 17,730,879.72 = 7,047,274.16 : x
  2. Step 2: Convert to fraction form
    12,848,445.20/17,730,879.72 = 7,047,274.16/x
  3. Step 3: Cross multiply
    12,848,445.20x = 17,730,879.72 × 7,047,274.16
  4. Step 4: Simplify right side
    12,848,445.20x = 124,954,370,484,824.03
  5. Step 5: Solve for x
    x = 124,954,370,484,824.03/12,848,445.20
  6. Step 6: Final answer
    x = 9,725,252.24

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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.