Home / 18,783,884.94-28,164,312.81-7,995,042.06

Finding the Fourth Proportional to 18,783,884.94, 28,164,312.81 and 7,995,042.06

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Solution

The fourth proportional to 18,783,884.94, 28,164,312.81 and 7,995,042.06 is: 11,987,662.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783,884.94 : 28,164,312.81 = 7,995,042.06 : x
  2. Step 2: Convert to fraction form
    18,783,884.94/28,164,312.81 = 7,995,042.06/x
  3. Step 3: Cross multiply
    18,783,884.94x = 28,164,312.81 × 7,995,042.06
  4. Step 4: Simplify right side
    18,783,884.94x = 225,174,865,506,946.78
  5. Step 5: Solve for x
    x = 225,174,865,506,946.78/18,783,884.94
  6. Step 6: Final answer
    x = 11,987,662.10

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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.