Home / 31,546,912.60-47,294,124.90-13,365,069.40

Finding the Fourth Proportional to 31,546,912.60, 47,294,124.90 and 13,365,069.40

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Solution

The fourth proportional to 31,546,912.60, 47,294,124.90 and 13,365,069.40 is: 20,036,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,546,912.60 : 47,294,124.90 = 13,365,069.40 : x
  2. Step 2: Convert to fraction form
    31,546,912.60/47,294,124.90 = 13,365,069.40/x
  3. Step 3: Cross multiply
    31,546,912.60x = 47,294,124.90 × 13,365,069.40
  4. Step 4: Simplify right side
    31,546,912.60x = 632,089,261,500,768
  5. Step 5: Solve for x
    x = 632,089,261,500,768/31,546,912.60
  6. Step 6: Final answer
    x = 20,036,485.65

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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.