Home / 18,695,068.70-28,044,021.51-5,048,016.48

Finding the Fourth Proportional to 18,695,068.70, 28,044,021.51 and 5,048,016.48

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Solution

The fourth proportional to 18,695,068.70, 28,044,021.51 and 5,048,016.48 is: 7,572,407.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695,068.70 : 28,044,021.51 = 5,048,016.48 : x
  2. Step 2: Convert to fraction form
    18,695,068.70/28,044,021.51 = 5,048,016.48/x
  3. Step 3: Cross multiply
    18,695,068.70x = 28,044,021.51 × 5,048,016.48
  4. Step 4: Simplify right side
    18,695,068.70x = 141,566,682,747,954.50
  5. Step 5: Solve for x
    x = 141,566,682,747,954.50/18,695,068.70
  6. Step 6: Final answer
    x = 7,572,407.73

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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.