Home / 8,736,032.60-13,104,437.70-2,978,682.20

Finding the Fourth Proportional to 8,736,032.60, 13,104,437.70 and 2,978,682.20

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Solution

The fourth proportional to 8,736,032.60, 13,104,437.70 and 2,978,682.20 is: 4,468,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,032.60 : 13,104,437.70 = 2,978,682.20 : x
  2. Step 2: Convert to fraction form
    8,736,032.60/13,104,437.70 = 2,978,682.20/x
  3. Step 3: Cross multiply
    8,736,032.60x = 13,104,437.70 × 2,978,682.20
  4. Step 4: Simplify right side
    8,736,032.60x = 39,033,955,317,998.94
  5. Step 5: Solve for x
    x = 39,033,955,317,998.94/8,736,032.60
  6. Step 6: Final answer
    x = 4,468,155.87

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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.