Home / 12,718,629.89-18,991,794.75-10,095,505.23

Finding the Fourth Proportional to 12,718,629.89, 18,991,794.75 and 10,095,505.23

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Solution

The fourth proportional to 12,718,629.89, 18,991,794.75 and 10,095,505.23 is: 15,074,875.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718,629.89 : 18,991,794.75 = 10,095,505.23 : x
  2. Step 2: Convert to fraction form
    12,718,629.89/18,991,794.75 = 10,095,505.23/x
  3. Step 3: Cross multiply
    12,718,629.89x = 18,991,794.75 × 10,095,505.23
  4. Step 4: Simplify right side
    12,718,629.89x = 191,731,763,225,711.56
  5. Step 5: Solve for x
    x = 191,731,763,225,711.56/12,718,629.89
  6. Step 6: Final answer
    x = 15,074,875.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.