Home / 12,729,113.66-19,106,001.59-12,037,825.18

Finding the Fourth Proportional to 12,729,113.66, 19,106,001.59 and 12,037,825.18

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Solution

The fourth proportional to 12,729,113.66, 19,106,001.59 and 12,037,825.18 is: 18,068,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,113.66 : 19,106,001.59 = 12,037,825.18 : x
  2. Step 2: Convert to fraction form
    12,729,113.66/19,106,001.59 = 12,037,825.18/x
  3. Step 3: Cross multiply
    12,729,113.66x = 19,106,001.59 × 12,037,825.18
  4. Step 4: Simplify right side
    12,729,113.66x = 229,994,707,011,551.62
  5. Step 5: Solve for x
    x = 229,994,707,011,551.62/12,729,113.66
  6. Step 6: Final answer
    x = 18,068,399.19

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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.