Home / 31,476,200.40-47,214,300.60-18,690,123.60

Finding the Fourth Proportional to 31,476,200.40, 47,214,300.60 and 18,690,123.60

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Solution

The fourth proportional to 31,476,200.40, 47,214,300.60 and 18,690,123.60 is: 28,035,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,476,200.40 : 47,214,300.60 = 18,690,123.60 : x
  2. Step 2: Convert to fraction form
    31,476,200.40/47,214,300.60 = 18,690,123.60/x
  3. Step 3: Cross multiply
    31,476,200.40x = 47,214,300.60 × 18,690,123.60
  4. Step 4: Simplify right side
    31,476,200.40x = 882,441,113,901,554.25
  5. Step 5: Solve for x
    x = 882,441,113,901,554.25/31,476,200.40
  6. Step 6: Final answer
    x = 28,035,185.40

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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.