Home / 31,443,242.08-47,089,280.40-17,939,129.44

Finding the Fourth Proportional to 31,443,242.08, 47,089,280.40 and 17,939,129.44

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Solution

The fourth proportional to 31,443,242.08, 47,089,280.40 and 17,939,129.44 is: 26,865,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,443,242.08 : 47,089,280.40 = 17,939,129.44 : x
  2. Step 2: Convert to fraction form
    31,443,242.08/47,089,280.40 = 17,939,129.44/x
  3. Step 3: Cross multiply
    31,443,242.08x = 47,089,280.40 × 17,939,129.44
  4. Step 4: Simplify right side
    31,443,242.08x = 844,740,696,332,055
  5. Step 5: Solve for x
    x = 844,740,696,332,055/31,443,242.08
  6. Step 6: Final answer
    x = 26,865,572.39

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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.