Home / 13,014,924.98-17,961,671.31-7,215,525.86

Finding the Fourth Proportional to 13,014,924.98, 17,961,671.31 and 7,215,525.86

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Solution

The fourth proportional to 13,014,924.98, 17,961,671.31 and 7,215,525.86 is: 9,958,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014,924.98 : 17,961,671.31 = 7,215,525.86 : x
  2. Step 2: Convert to fraction form
    13,014,924.98/17,961,671.31 = 7,215,525.86/x
  3. Step 3: Cross multiply
    13,014,924.98x = 17,961,671.31 × 7,215,525.86
  4. Step 4: Simplify right side
    13,014,924.98x = 129,602,903,826,125.08
  5. Step 5: Solve for x
    x = 129,602,903,826,125.08/13,014,924.98
  6. Step 6: Final answer
    x = 9,958,021.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.