Home / 31,353,085.26-47,035,684.36-11,920,800.38

Finding the Fourth Proportional to 31,353,085.26, 47,035,684.36 and 11,920,800.38

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Solution

The fourth proportional to 31,353,085.26, 47,035,684.36 and 11,920,800.38 is: 17,883,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353,085.26 : 47,035,684.36 = 11,920,800.38 : x
  2. Step 2: Convert to fraction form
    31,353,085.26/47,035,684.36 = 11,920,800.38/x
  3. Step 3: Cross multiply
    31,353,085.26x = 47,035,684.36 × 11,920,800.38
  4. Step 4: Simplify right side
    31,353,085.26x = 560,703,003,771,970.62
  5. Step 5: Solve for x
    x = 560,703,003,771,970.62/31,353,085.26
  6. Step 6: Final answer
    x = 17,883,503.30

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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.