Home / 20,863,091.60-31,294,637.40-14,094,861.20

Finding the Fourth Proportional to 20,863,091.60, 31,294,637.40 and 14,094,861.20

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Solution

The fourth proportional to 20,863,091.60, 31,294,637.40 and 14,094,861.20 is: 21,142,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,863,091.60 : 31,294,637.40 = 14,094,861.20 : x
  2. Step 2: Convert to fraction form
    20,863,091.60/31,294,637.40 = 14,094,861.20/x
  3. Step 3: Cross multiply
    20,863,091.60x = 31,294,637.40 × 14,094,861.20
  4. Step 4: Simplify right side
    20,863,091.60x = 441,093,570,457,328.81
  5. Step 5: Solve for x
    x = 441,093,570,457,328.81/20,863,091.60
  6. Step 6: Final answer
    x = 21,142,291.80

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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.