Home / 12,947,173.98-19,414,564.46-6,118,047.78

Finding the Fourth Proportional to 12,947,173.98, 19,414,564.46 and 6,118,047.78

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Solution

The fourth proportional to 12,947,173.98, 19,414,564.46 and 6,118,047.78 is: 9,174,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,173.98 : 19,414,564.46 = 6,118,047.78 : x
  2. Step 2: Convert to fraction form
    12,947,173.98/19,414,564.46 = 6,118,047.78/x
  3. Step 3: Cross multiply
    12,947,173.98x = 19,414,564.46 × 6,118,047.78
  4. Step 4: Simplify right side
    12,947,173.98x = 118,779,232,963,579.66
  5. Step 5: Solve for x
    x = 118,779,232,963,579.66/12,947,173.98
  6. Step 6: Final answer
    x = 9,174,143.57

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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.