Home / 14,295,862.85-19,728,443.09-7,769,492.65

Finding the Fourth Proportional to 14,295,862.85, 19,728,443.09 and 7,769,492.65

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Solution

The fourth proportional to 14,295,862.85, 19,728,443.09 and 7,769,492.65 is: 10,721,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295,862.85 : 19,728,443.09 = 7,769,492.65 : x
  2. Step 2: Convert to fraction form
    14,295,862.85/19,728,443.09 = 7,769,492.65/x
  3. Step 3: Cross multiply
    14,295,862.85x = 19,728,443.09 × 7,769,492.65
  4. Step 4: Simplify right side
    14,295,862.85x = 153,279,993,446,208.59
  5. Step 5: Solve for x
    x = 153,279,993,446,208.59/14,295,862.85
  6. Step 6: Final answer
    x = 10,721,982.65

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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.