Home / 14,295,863.09-19,728,443.43-7,769,492.89

Finding the Fourth Proportional to 14,295,863.09, 19,728,443.43 and 7,769,492.89

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Solution

The fourth proportional to 14,295,863.09, 19,728,443.43 and 7,769,492.89 is: 10,721,982.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295,863.09 : 19,728,443.43 = 7,769,492.89 : x
  2. Step 2: Convert to fraction form
    14,295,863.09/19,728,443.43 = 7,769,492.89/x
  3. Step 3: Cross multiply
    14,295,863.09x = 19,728,443.43 × 7,769,492.89
  4. Step 4: Simplify right side
    14,295,863.09x = 153,280,000,910,831.09
  5. Step 5: Solve for x
    x = 153,280,000,910,831.09/14,295,863.09
  6. Step 6: Final answer
    x = 10,721,982.99

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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.