Home / 20,833,394.40-31,250,091.60-12,771,237.60

Finding the Fourth Proportional to 20,833,394.40, 31,250,091.60 and 12,771,237.60

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Solution

The fourth proportional to 20,833,394.40, 31,250,091.60 and 12,771,237.60 is: 19,156,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,833,394.40 : 31,250,091.60 = 12,771,237.60 : x
  2. Step 2: Convert to fraction form
    20,833,394.40/31,250,091.60 = 12,771,237.60/x
  3. Step 3: Cross multiply
    20,833,394.40x = 31,250,091.60 × 12,771,237.60
  4. Step 4: Simplify right side
    20,833,394.40x = 399,102,344,845,364.19
  5. Step 5: Solve for x
    x = 399,102,344,845,364.19/20,833,394.40
  6. Step 6: Final answer
    x = 19,156,856.40

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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.