Home / 12,979,133.07-19,454,970.68-4,888,608.18

Finding the Fourth Proportional to 12,979,133.07, 19,454,970.68 and 4,888,608.18

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Solution

The fourth proportional to 12,979,133.07, 19,454,970.68 and 4,888,608.18 is: 7,327,741.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,133.07 : 19,454,970.68 = 4,888,608.18 : x
  2. Step 2: Convert to fraction form
    12,979,133.07/19,454,970.68 = 4,888,608.18/x
  3. Step 3: Cross multiply
    12,979,133.07x = 19,454,970.68 × 4,888,608.18
  4. Step 4: Simplify right side
    12,979,133.07x = 95,107,728,807,908.16
  5. Step 5: Solve for x
    x = 95,107,728,807,908.16/12,979,133.07
  6. Step 6: Final answer
    x = 7,327,741.25

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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.