Home / 13,967,985.60-20,958,199.20-6,391,051.20

Finding the Fourth Proportional to 13,967,985.60, 20,958,199.20 and 6,391,051.20

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Solution

The fourth proportional to 13,967,985.60, 20,958,199.20 and 6,391,051.20 is: 9,589,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967,985.60 : 20,958,199.20 = 6,391,051.20 : x
  2. Step 2: Convert to fraction form
    13,967,985.60/20,958,199.20 = 6,391,051.20/x
  3. Step 3: Cross multiply
    13,967,985.60x = 20,958,199.20 × 6,391,051.20
  4. Step 4: Simplify right side
    13,967,985.60x = 133,944,924,146,999.05
  5. Step 5: Solve for x
    x = 133,944,924,146,999.05/13,967,985.60
  6. Step 6: Final answer
    x = 9,589,423.13

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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.