Home / 7,134,841.56-9,846,031.40-3,871,573.28

Finding the Fourth Proportional to 7,134,841.56, 9,846,031.40 and 3,871,573.28

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Solution

The fourth proportional to 7,134,841.56, 9,846,031.40 and 3,871,573.28 is: 5,342,744.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134,841.56 : 9,846,031.40 = 3,871,573.28 : x
  2. Step 2: Convert to fraction form
    7,134,841.56/9,846,031.40 = 3,871,573.28/x
  3. Step 3: Cross multiply
    7,134,841.56x = 9,846,031.40 × 3,871,573.28
  4. Step 4: Simplify right side
    7,134,841.56x = 38,119,632,082,280.99
  5. Step 5: Solve for x
    x = 38,119,632,082,280.99/7,134,841.56
  6. Step 6: Final answer
    x = 5,342,744.02

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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.