Home / 13,477,445.76-18,598,830.72-7,365,872.64

Finding the Fourth Proportional to 13,477,445.76, 18,598,830.72 and 7,365,872.64

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Solution

The fourth proportional to 13,477,445.76, 18,598,830.72 and 7,365,872.64 is: 10,164,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477,445.76 : 18,598,830.72 = 7,365,872.64 : x
  2. Step 2: Convert to fraction form
    13,477,445.76/18,598,830.72 = 7,365,872.64/x
  3. Step 3: Cross multiply
    13,477,445.76x = 18,598,830.72 × 7,365,872.64
  4. Step 4: Simplify right side
    13,477,445.76x = 136,996,618,336,439.48
  5. Step 5: Solve for x
    x = 136,996,618,336,439.48/13,477,445.76
  6. Step 6: Final answer
    x = 10,164,879.96

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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.