Home / 31,912,898.40-47,838,243.60-18,252,021.60

Finding the Fourth Proportional to 31,912,898.40, 47,838,243.60 and 18,252,021.60

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Solution

The fourth proportional to 31,912,898.40, 47,838,243.60 and 18,252,021.60 is: 27,360,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912,898.40 : 47,838,243.60 = 18,252,021.60 : x
  2. Step 2: Convert to fraction form
    31,912,898.40/47,838,243.60 = 18,252,021.60/x
  3. Step 3: Cross multiply
    31,912,898.40x = 47,838,243.60 × 18,252,021.60
  4. Step 4: Simplify right side
    31,912,898.40x = 873,144,655,493,261.88
  5. Step 5: Solve for x
    x = 873,144,655,493,261.88/31,912,898.40
  6. Step 6: Final answer
    x = 27,360,243.01

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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.