Home / 12,653,741.28-18,980,542.80-3,069,101.28

Finding the Fourth Proportional to 12,653,741.28, 18,980,542.80 and 3,069,101.28

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Solution

The fourth proportional to 12,653,741.28, 18,980,542.80 and 3,069,101.28 is: 4,603,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653,741.28 : 18,980,542.80 = 3,069,101.28 : x
  2. Step 2: Convert to fraction form
    12,653,741.28/18,980,542.80 = 3,069,101.28/x
  3. Step 3: Cross multiply
    12,653,741.28x = 18,980,542.80 × 3,069,101.28
  4. Step 4: Simplify right side
    12,653,741.28x = 58,253,208,202,574.78
  5. Step 5: Solve for x
    x = 58,253,208,202,574.78/12,653,741.28
  6. Step 6: Final answer
    x = 4,603,635.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.