Home / 12,254,702.40-18,382,053.60-3,279,254.40

Finding the Fourth Proportional to 12,254,702.40, 18,382,053.60 and 3,279,254.40

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Solution

The fourth proportional to 12,254,702.40, 18,382,053.60 and 3,279,254.40 is: 4,918,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254,702.40 : 18,382,053.60 = 3,279,254.40 : x
  2. Step 2: Convert to fraction form
    12,254,702.40/18,382,053.60 = 3,279,254.40/x
  3. Step 3: Cross multiply
    12,254,702.40x = 18,382,053.60 × 3,279,254.40
  4. Step 4: Simplify right side
    12,254,702.40x = 60,279,430,148,835.84
  5. Step 5: Solve for x
    x = 60,279,430,148,835.84/12,254,702.40
  6. Step 6: Final answer
    x = 4,918,881.60

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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.