Home / 38,178,557.12-57,276,804.24-12,619,567.04

Finding the Fourth Proportional to 38,178,557.12, 57,276,804.24 and 12,619,567.04

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Solution

The fourth proportional to 38,178,557.12, 57,276,804.24 and 12,619,567.04 is: 18,932,315.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178,557.12 : 57,276,804.24 = 12,619,567.04 : x
  2. Step 2: Convert to fraction form
    38,178,557.12/57,276,804.24 = 12,619,567.04/x
  3. Step 3: Cross multiply
    38,178,557.12x = 57,276,804.24 × 12,619,567.04
  4. Step 4: Simplify right side
    38,178,557.12x = 722,808,470,943,636.25
  5. Step 5: Solve for x
    x = 722,808,470,943,636.25/38,178,557.12
  6. Step 6: Final answer
    x = 18,932,315.03

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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.