Home / 18,972,940.05-26,182,666.08-10,271,112.65

Finding the Fourth Proportional to 18,972,940.05, 26,182,666.08 and 10,271,112.65

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Solution

The fourth proportional to 18,972,940.05, 26,182,666.08 and 10,271,112.65 is: 14,174,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972,940.05 : 26,182,666.08 = 10,271,112.65 : x
  2. Step 2: Convert to fraction form
    18,972,940.05/26,182,666.08 = 10,271,112.65/x
  3. Step 3: Cross multiply
    18,972,940.05x = 26,182,666.08 × 10,271,112.65
  4. Step 4: Simplify right side
    18,972,940.05x = 268,925,112,602,745
  5. Step 5: Solve for x
    x = 268,925,112,602,745/18,972,940.05
  6. Step 6: Final answer
    x = 14,174,140.22

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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.