Home / 12,749,956.58-19,128,687.12-4,113,895.01

Finding the Fourth Proportional to 12,749,956.58, 19,128,687.12 and 4,113,895.01

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Solution

The fourth proportional to 12,749,956.58, 19,128,687.12 and 4,113,895.01 is: 6,172,053.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749,956.58 : 19,128,687.12 = 4,113,895.01 : x
  2. Step 2: Convert to fraction form
    12,749,956.58/19,128,687.12 = 4,113,895.01/x
  3. Step 3: Cross multiply
    12,749,956.58x = 19,128,687.12 × 4,113,895.01
  4. Step 4: Simplify right side
    12,749,956.58x = 78,693,410,482,335.53
  5. Step 5: Solve for x
    x = 78,693,410,482,335.53/12,749,956.58
  6. Step 6: Final answer
    x = 6,172,053.22

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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.