Home / 12,219,321-16,860,790.35-7,061,687.31

Finding the Fourth Proportional to 12,219,321, 16,860,790.35 and 7,061,687.31

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Solution

The fourth proportional to 12,219,321, 16,860,790.35 and 7,061,687.31 is: 9,744,046.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,321 : 16,860,790.35 = 7,061,687.31 : x
  2. Step 2: Convert to fraction form
    12,219,321/16,860,790.35 = 7,061,687.31/x
  3. Step 3: Cross multiply
    12,219,321x = 16,860,790.35 × 7,061,687.31
  4. Step 4: Simplify right side
    12,219,321x = 119,065,629,251,165.47
  5. Step 5: Solve for x
    x = 119,065,629,251,165.47/12,219,321
  6. Step 6: Final answer
    x = 9,744,046.27

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1.5x scale

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.