Home / 13,912,229.15-19,201,178.69-7,719,271.01

Finding the Fourth Proportional to 13,912,229.15, 19,201,178.69 and 7,719,271.01

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Solution

The fourth proportional to 13,912,229.15, 19,201,178.69 and 7,719,271.01 is: 10,653,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912,229.15 : 19,201,178.69 = 7,719,271.01 : x
  2. Step 2: Convert to fraction form
    13,912,229.15/19,201,178.69 = 7,719,271.01/x
  3. Step 3: Cross multiply
    13,912,229.15x = 19,201,178.69 × 7,719,271.01
  4. Step 4: Simplify right side
    13,912,229.15x = 148,219,101,985,896.22
  5. Step 5: Solve for x
    x = 148,219,101,985,896.22/13,912,229.15
  6. Step 6: Final answer
    x = 10,653,871.53

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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.