Home / 7,134,840.55-9,846,030.02-3,871,572.29

Finding the Fourth Proportional to 7,134,840.55, 9,846,030.02 and 3,871,572.29

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Solution

The fourth proportional to 7,134,840.55, 9,846,030.02 and 3,871,572.29 is: 5,342,742.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134,840.55 : 9,846,030.02 = 3,871,572.29 : x
  2. Step 2: Convert to fraction form
    7,134,840.55/9,846,030.02 = 3,871,572.29/x
  3. Step 3: Cross multiply
    7,134,840.55x = 9,846,030.02 × 3,871,572.29
  4. Step 4: Simplify right side
    7,134,840.55x = 38,119,616,991,940.14
  5. Step 5: Solve for x
    x = 38,119,616,991,940.14/7,134,840.55
  6. Step 6: Final answer
    x = 5,342,742.66

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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.