Home / 14,021,220.30-21,029,756.85-3,924,861.90

Finding the Fourth Proportional to 14,021,220.30, 21,029,756.85 and 3,924,861.90

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Solution

The fourth proportional to 14,021,220.30, 21,029,756.85 and 3,924,861.90 is: 5,886,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021,220.30 : 21,029,756.85 = 3,924,861.90 : x
  2. Step 2: Convert to fraction form
    14,021,220.30/21,029,756.85 = 3,924,861.90/x
  3. Step 3: Cross multiply
    14,021,220.30x = 21,029,756.85 × 3,924,861.90
  4. Step 4: Simplify right side
    14,021,220.30x = 82,538,891,426,829.02
  5. Step 5: Solve for x
    x = 82,538,891,426,829.02/14,021,220.30
  6. Step 6: Final answer
    x = 5,886,712.40

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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.