Home / 20,698,681.80-31,048,022.70-7,234,105.80

Finding the Fourth Proportional to 20,698,681.80, 31,048,022.70 and 7,234,105.80

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Solution

The fourth proportional to 20,698,681.80, 31,048,022.70 and 7,234,105.80 is: 10,851,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,681.80 : 31,048,022.70 = 7,234,105.80 : x
  2. Step 2: Convert to fraction form
    20,698,681.80/31,048,022.70 = 7,234,105.80/x
  3. Step 3: Cross multiply
    20,698,681.80x = 31,048,022.70 × 7,234,105.80
  4. Step 4: Simplify right side
    20,698,681.80x = 224,604,681,092,601.66
  5. Step 5: Solve for x
    x = 224,604,681,092,601.66/20,698,681.80
  6. Step 6: Final answer
    x = 10,851,158.70

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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.