Home / 19,438,072.40-29,145,828.30-9,202,845.77

Finding the Fourth Proportional to 19,438,072.40, 29,145,828.30 and 9,202,845.77

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Solution

The fourth proportional to 19,438,072.40, 29,145,828.30 and 9,202,845.77 is: 13,798,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438,072.40 : 29,145,828.30 = 9,202,845.77 : x
  2. Step 2: Convert to fraction form
    19,438,072.40/29,145,828.30 = 9,202,845.77/x
  3. Step 3: Cross multiply
    19,438,072.40x = 29,145,828.30 × 9,202,845.77
  4. Step 4: Simplify right side
    19,438,072.40x = 268,224,562,578,348.91
  5. Step 5: Solve for x
    x = 268,224,562,578,348.91/19,438,072.40
  6. Step 6: Final answer
    x = 13,798,928.05

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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.