Home / 14,538,054.60-21,783,462.30-12,128,855.40

Finding the Fourth Proportional to 14,538,054.60, 21,783,462.30 and 12,128,855.40

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Solution

The fourth proportional to 14,538,054.60, 21,783,462.30 and 12,128,855.40 is: 18,173,577.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538,054.60 : 21,783,462.30 = 12,128,855.40 : x
  2. Step 2: Convert to fraction form
    14,538,054.60/21,783,462.30 = 12,128,855.40/x
  3. Step 3: Cross multiply
    14,538,054.60x = 21,783,462.30 × 12,128,855.40
  4. Step 4: Simplify right side
    14,538,054.60x = 264,208,464,348,051.44
  5. Step 5: Solve for x
    x = 264,208,464,348,051.44/14,538,054.60
  6. Step 6: Final answer
    x = 18,173,577.66

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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.