Home / 38,991,740.84-53,812,213.08-21,588,086.34

Finding the Fourth Proportional to 38,991,740.84, 53,812,213.08 and 21,588,086.34

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Solution

The fourth proportional to 38,991,740.84, 53,812,213.08 and 21,588,086.34 is: 29,793,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,991,740.84 : 53,812,213.08 = 21,588,086.34 : x
  2. Step 2: Convert to fraction form
    38,991,740.84/53,812,213.08 = 21,588,086.34/x
  3. Step 3: Cross multiply
    38,991,740.84x = 53,812,213.08 × 21,588,086.34
  4. Step 4: Simplify right side
    38,991,740.84x = 1,161,702,702,117,517.25
  5. Step 5: Solve for x
    x = 1,161,702,702,117,517.25/38,991,740.84
  6. Step 6: Final answer
    x = 29,793,558.25

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1.5x scale

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.