Home / 11,886,739.20-17,830,108.80-2,911,291.20

Finding the Fourth Proportional to 11,886,739.20, 17,830,108.80 and 2,911,291.20

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Solution

The fourth proportional to 11,886,739.20, 17,830,108.80 and 2,911,291.20 is: 4,366,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886,739.20 : 17,830,108.80 = 2,911,291.20 : x
  2. Step 2: Convert to fraction form
    11,886,739.20/17,830,108.80 = 2,911,291.20/x
  3. Step 3: Cross multiply
    11,886,739.20x = 17,830,108.80 × 2,911,291.20
  4. Step 4: Simplify right side
    11,886,739.20x = 51,908,638,844,482.56
  5. Step 5: Solve for x
    x = 51,908,638,844,482.56/11,886,739.20
  6. Step 6: Final answer
    x = 4,366,936.80

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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.