Home / 38,640,007.80-57,960,011.70-18,484,615.80

Finding the Fourth Proportional to 38,640,007.80, 57,960,011.70 and 18,484,615.80

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Solution

The fourth proportional to 38,640,007.80, 57,960,011.70 and 18,484,615.80 is: 27,726,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,640,007.80 : 57,960,011.70 = 18,484,615.80 : x
  2. Step 2: Convert to fraction form
    38,640,007.80/57,960,011.70 = 18,484,615.80/x
  3. Step 3: Cross multiply
    38,640,007.80x = 57,960,011.70 × 18,484,615.80
  4. Step 4: Simplify right side
    38,640,007.80x = 1,071,368,548,038,005
  5. Step 5: Solve for x
    x = 1,071,368,548,038,005/38,640,007.80
  6. Step 6: Final answer
    x = 27,726,923.70

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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.