Home / 31,892,242.56-47,856,930.54-13,447,030.89

Finding the Fourth Proportional to 31,892,242.56, 47,856,930.54 and 13,447,030.89

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Solution

The fourth proportional to 31,892,242.56, 47,856,930.54 and 13,447,030.89 is: 20,178,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,892,242.56 : 47,856,930.54 = 13,447,030.89 : x
  2. Step 2: Convert to fraction form
    31,892,242.56/47,856,930.54 = 13,447,030.89/x
  3. Step 3: Cross multiply
    31,892,242.56x = 47,856,930.54 × 13,447,030.89
  4. Step 4: Simplify right side
    31,892,242.56x = 643,533,623,137,342.88
  5. Step 5: Solve for x
    x = 643,533,623,137,342.88/31,892,242.56
  6. Step 6: Final answer
    x = 20,178,374.79

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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.