Home / 20,698,671.80-31,048,007.70-7,234,095.80

Finding the Fourth Proportional to 20,698,671.80, 31,048,007.70 and 7,234,095.80

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Solution

The fourth proportional to 20,698,671.80, 31,048,007.70 and 7,234,095.80 is: 10,851,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,671.80 : 31,048,007.70 = 7,234,095.80 : x
  2. Step 2: Convert to fraction form
    20,698,671.80/31,048,007.70 = 7,234,095.80/x
  3. Step 3: Cross multiply
    20,698,671.80x = 31,048,007.70 × 7,234,095.80
  4. Step 4: Simplify right side
    20,698,671.80x = 224,604,262,100,937.66
  5. Step 5: Solve for x
    x = 224,604,262,100,937.66/20,698,671.80
  6. Step 6: Final answer
    x = 10,851,143.70

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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.