Home / 20,485,302.60-30,727,953.90-14,028,294.45

Finding the Fourth Proportional to 20,485,302.60, 30,727,953.90 and 14,028,294.45

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Solution

The fourth proportional to 20,485,302.60, 30,727,953.90 and 14,028,294.45 is: 21,042,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,485,302.60 : 30,727,953.90 = 14,028,294.45 : x
  2. Step 2: Convert to fraction form
    20,485,302.60/30,727,953.90 = 14,028,294.45/x
  3. Step 3: Cross multiply
    20,485,302.60x = 30,727,953.90 × 14,028,294.45
  4. Step 4: Simplify right side
    20,485,302.60x = 431,060,785,155,225.81
  5. Step 5: Solve for x
    x = 431,060,785,155,225.81/20,485,302.60
  6. Step 6: Final answer
    x = 21,042,441.68

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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.