Home / 7,021,353-9,689,502.96-3,923,928.06

Finding the Fourth Proportional to 7,021,353, 9,689,502.96 and 3,923,928.06

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Solution

The fourth proportional to 7,021,353, 9,689,502.96 and 3,923,928.06 is: 5,415,040.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,353 : 9,689,502.96 = 3,923,928.06 : x
  2. Step 2: Convert to fraction form
    7,021,353/9,689,502.96 = 3,923,928.06/x
  3. Step 3: Cross multiply
    7,021,353x = 9,689,502.96 × 3,923,928.06
  4. Step 4: Simplify right side
    7,021,353x = 38,020,912,552,197.06
  5. Step 5: Solve for x
    x = 38,020,912,552,197.06/7,021,353
  6. Step 6: Final answer
    x = 5,415,040.74

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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.