Home / 8,736,022.60-13,104,422.70-2,978,672.20

Finding the Fourth Proportional to 8,736,022.60, 13,104,422.70 and 2,978,672.20

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Solution

The fourth proportional to 8,736,022.60, 13,104,422.70 and 2,978,672.20 is: 4,468,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,022.60 : 13,104,422.70 = 2,978,672.20 : x
  2. Step 2: Convert to fraction form
    8,736,022.60/13,104,422.70 = 2,978,672.20/x
  3. Step 3: Cross multiply
    8,736,022.60x = 13,104,422.70 × 2,978,672.20
  4. Step 4: Simplify right side
    8,736,022.60x = 39,033,779,593,538.94
  5. Step 5: Solve for x
    x = 39,033,779,593,538.94/8,736,022.60
  6. Step 6: Final answer
    x = 4,468,140.87

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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.