Home / 12,739,591.50-17,580,373.83-6,938,475.18

Finding the Fourth Proportional to 12,739,591.50, 17,580,373.83 and 6,938,475.18

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Solution

The fourth proportional to 12,739,591.50, 17,580,373.83 and 6,938,475.18 is: 9,574,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,739,591.50 : 17,580,373.83 = 6,938,475.18 : x
  2. Step 2: Convert to fraction form
    12,739,591.50/17,580,373.83 = 6,938,475.18/x
  3. Step 3: Cross multiply
    12,739,591.50x = 17,580,373.83 × 6,938,475.18
  4. Step 4: Simplify right side
    12,739,591.50x = 121,980,987,474,576.52
  5. Step 5: Solve for x
    x = 121,980,987,474,576.52/12,739,591.50
  6. Step 6: Final answer
    x = 9,574,952.81

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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.