Home / 12,954,675.36-19,407,285.36-7,257,666.72

Finding the Fourth Proportional to 12,954,675.36, 19,407,285.36 and 7,257,666.72

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Solution

The fourth proportional to 12,954,675.36, 19,407,285.36 and 7,257,666.72 is: 10,872,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954,675.36 : 19,407,285.36 = 7,257,666.72 : x
  2. Step 2: Convert to fraction form
    12,954,675.36/19,407,285.36 = 7,257,666.72/x
  3. Step 3: Cross multiply
    12,954,675.36x = 19,407,285.36 × 7,257,666.72
  4. Step 4: Simplify right side
    12,954,675.36x = 140,851,609,082,815.22
  5. Step 5: Solve for x
    x = 140,851,609,082,815.22/12,954,675.36
  6. Step 6: Final answer
    x = 10,872,646.76

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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.