Home / 31,456,062.90-47,089,615.95-18,669,986.10

Finding the Fourth Proportional to 31,456,062.90, 47,089,615.95 and 18,669,986.10

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Solution

The fourth proportional to 31,456,062.90, 47,089,615.95 and 18,669,986.10 is: 27,948,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,456,062.90 : 47,089,615.95 = 18,669,986.10 : x
  2. Step 2: Convert to fraction form
    31,456,062.90/47,089,615.95 = 18,669,986.10/x
  3. Step 3: Cross multiply
    31,456,062.90x = 47,089,615.95 × 18,669,986.10
  4. Step 4: Simplify right side
    31,456,062.90x = 879,162,475,240,838.38
  5. Step 5: Solve for x
    x = 879,162,475,240,838.38/31,456,062.90
  6. Step 6: Final answer
    x = 27,948,903.78

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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.