Home / 13,698,699.55-20,530,203.30-7,633,186.27

Finding the Fourth Proportional to 13,698,699.55, 20,530,203.30 and 7,633,186.27

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Solution

The fourth proportional to 13,698,699.55, 20,530,203.30 and 7,633,186.27 is: 11,439,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,699.55 : 20,530,203.30 = 7,633,186.27 : x
  2. Step 2: Convert to fraction form
    13,698,699.55/20,530,203.30 = 7,633,186.27/x
  3. Step 3: Cross multiply
    13,698,699.55x = 20,530,203.30 × 7,633,186.27
  4. Step 4: Simplify right side
    13,698,699.55x = 156,710,865,898,543.19
  5. Step 5: Solve for x
    x = 156,710,865,898,543.19/13,698,699.55
  6. Step 6: Final answer
    x = 11,439,835.25

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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.