Home / 14,646,337.12-20,213,142.60-8,122,012.96

Finding the Fourth Proportional to 14,646,337.12, 20,213,142.60 and 8,122,012.96

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Solution

The fourth proportional to 14,646,337.12, 20,213,142.60 and 8,122,012.96 is: 11,209,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646,337.12 : 20,213,142.60 = 8,122,012.96 : x
  2. Step 2: Convert to fraction form
    14,646,337.12/20,213,142.60 = 8,122,012.96/x
  3. Step 3: Cross multiply
    14,646,337.12x = 20,213,142.60 × 8,122,012.96
  4. Step 4: Simplify right side
    14,646,337.12x = 164,171,406,159,528.09
  5. Step 5: Solve for x
    x = 164,171,406,159,528.09/14,646,337.12
  6. Step 6: Final answer
    x = 11,209,041.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.