Home / 12,958,180.40-19,437,270.60-12,769,223.60

Finding the Fourth Proportional to 12,958,180.40, 19,437,270.60 and 12,769,223.60

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Solution

The fourth proportional to 12,958,180.40, 19,437,270.60 and 12,769,223.60 is: 19,153,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,958,180.40 : 19,437,270.60 = 12,769,223.60 : x
  2. Step 2: Convert to fraction form
    12,958,180.40/19,437,270.60 = 12,769,223.60/x
  3. Step 3: Cross multiply
    12,958,180.40x = 19,437,270.60 × 12,769,223.60
  4. Step 4: Simplify right side
    12,958,180.40x = 248,198,854,465,106.16
  5. Step 5: Solve for x
    x = 248,198,854,465,106.16/12,958,180.40
  6. Step 6: Final answer
    x = 19,153,835.40

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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.