Home / 13,808,930.28-20,710,069.29-4,224,391.80

Finding the Fourth Proportional to 13,808,930.28, 20,710,069.29 and 4,224,391.80

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Solution

The fourth proportional to 13,808,930.28, 20,710,069.29 and 4,224,391.80 is: 6,335,570.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808,930.28 : 20,710,069.29 = 4,224,391.80 : x
  2. Step 2: Convert to fraction form
    13,808,930.28/20,710,069.29 = 4,224,391.80/x
  3. Step 3: Cross multiply
    13,808,930.28x = 20,710,069.29 × 4,224,391.80
  4. Step 4: Simplify right side
    13,808,930.28x = 87,487,446,886,107.81
  5. Step 5: Solve for x
    x = 87,487,446,886,107.81/13,808,930.28
  6. Step 6: Final answer
    x = 6,335,570.18

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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.