Home / 13,886,421.10-20,829,700.67-5,693,538.33

Finding the Fourth Proportional to 13,886,421.10, 20,829,700.67 and 5,693,538.33

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Solution

The fourth proportional to 13,886,421.10, 20,829,700.67 and 5,693,538.33 is: 8,540,335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,421.10 : 20,829,700.67 = 5,693,538.33 : x
  2. Step 2: Convert to fraction form
    13,886,421.10/20,829,700.67 = 5,693,538.33/x
  3. Step 3: Cross multiply
    13,886,421.10x = 20,829,700.67 × 5,693,538.33
  4. Step 4: Simplify right side
    13,886,421.10x = 118,594,699,138,603.98
  5. Step 5: Solve for x
    x = 118,594,699,138,603.98/13,886,421.10
  6. Step 6: Final answer
    x = 8,540,335.79

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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.