Home / 13,709,540.60-20,441,744.09-13,332,881.80

Finding the Fourth Proportional to 13,709,540.60, 20,441,744.09 and 13,332,881.80

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Solution

The fourth proportional to 13,709,540.60, 20,441,744.09 and 13,332,881.80 is: 19,880,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,540.60 : 20,441,744.09 = 13,332,881.80 : x
  2. Step 2: Convert to fraction form
    13,709,540.60/20,441,744.09 = 13,332,881.80/x
  3. Step 3: Cross multiply
    13,709,540.60x = 20,441,744.09 × 13,332,881.80
  4. Step 4: Simplify right side
    13,709,540.60x = 272,547,357,620,049.78
  5. Step 5: Solve for x
    x = 272,547,357,620,049.78/13,709,540.60
  6. Step 6: Final answer
    x = 19,880,123.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.