Home / 38,702,846.05-53,409,911.86-21,299,191.21

Finding the Fourth Proportional to 38,702,846.05, 53,409,911.86 and 21,299,191.21

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Solution

The fourth proportional to 38,702,846.05, 53,409,911.86 and 21,299,191.21 is: 29,392,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,702,846.05 : 53,409,911.86 = 21,299,191.21 : x
  2. Step 2: Convert to fraction form
    38,702,846.05/53,409,911.86 = 21,299,191.21/x
  3. Step 3: Cross multiply
    38,702,846.05x = 53,409,911.86 × 21,299,191.21
  4. Step 4: Simplify right side
    38,702,846.05x = 1,137,587,925,308,773
  5. Step 5: Solve for x
    x = 1,137,587,925,308,773/38,702,846.05
  6. Step 6: Final answer
    x = 29,392,875.24

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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.