Home / 13,771,409.40-20,657,114.10-11,377,956.60

Finding the Fourth Proportional to 13,771,409.40, 20,657,114.10 and 11,377,956.60

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Solution

The fourth proportional to 13,771,409.40, 20,657,114.10 and 11,377,956.60 is: 17,066,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,409.40 : 20,657,114.10 = 11,377,956.60 : x
  2. Step 2: Convert to fraction form
    13,771,409.40/20,657,114.10 = 11,377,956.60/x
  3. Step 3: Cross multiply
    13,771,409.40x = 20,657,114.10 × 11,377,956.60
  4. Step 4: Simplify right side
    13,771,409.40x = 235,035,747,711,048.06
  5. Step 5: Solve for x
    x = 235,035,747,711,048.06/13,771,409.40
  6. Step 6: Final answer
    x = 17,066,934.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.