Home / 8,519,977.37-12,779,873.73-6,806,080.15

Finding the Fourth Proportional to 8,519,977.37, 12,779,873.73 and 6,806,080.15

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Solution

The fourth proportional to 8,519,977.37, 12,779,873.73 and 6,806,080.15 is: 10,209,046.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519,977.37 : 12,779,873.73 = 6,806,080.15 : x
  2. Step 2: Convert to fraction form
    8,519,977.37/12,779,873.73 = 6,806,080.15/x
  3. Step 3: Cross multiply
    8,519,977.37x = 12,779,873.73 × 6,806,080.15
  4. Step 4: Simplify right side
    8,519,977.37x = 86,980,844,881,309.78
  5. Step 5: Solve for x
    x = 86,980,844,881,309.78/8,519,977.37
  6. Step 6: Final answer
    x = 10,209,046.47

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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.