Home / 28,819,605.12-43,229,354.38-9,388,807.92

Finding the Fourth Proportional to 28,819,605.12, 43,229,354.38 and 9,388,807.92

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Solution

The fourth proportional to 28,819,605.12, 43,229,354.38 and 9,388,807.92 is: 14,083,194.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,819,605.12 : 43,229,354.38 = 9,388,807.92 : x
  2. Step 2: Convert to fraction form
    28,819,605.12/43,229,354.38 = 9,388,807.92/x
  3. Step 3: Cross multiply
    28,819,605.12x = 43,229,354.38 × 9,388,807.92
  4. Step 4: Simplify right side
    28,819,605.12x = 405,872,104,779,430.69
  5. Step 5: Solve for x
    x = 405,872,104,779,430.69/28,819,605.12
  6. Step 6: Final answer
    x = 14,083,194.52

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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.