Home / 7,152,849.45-9,871,191.81-4,097,654.19

Finding the Fourth Proportional to 7,152,849.45, 9,871,191.81 and 4,097,654.19

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Solution

The fourth proportional to 7,152,849.45, 9,871,191.81 and 4,097,654.19 is: 5,654,911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,849.45 : 9,871,191.81 = 4,097,654.19 : x
  2. Step 2: Convert to fraction form
    7,152,849.45/9,871,191.81 = 4,097,654.19/x
  3. Step 3: Cross multiply
    7,152,849.45x = 9,871,191.81 × 4,097,654.19
  4. Step 4: Simplify right side
    7,152,849.45x = 40,448,730,480,540.19
  5. Step 5: Solve for x
    x = 40,448,730,480,540.19/7,152,849.45
  6. Step 6: Final answer
    x = 5,654,911.48

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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.