Home / 14,167,165.60-21,297,987.60-12,088,640.80

Finding the Fourth Proportional to 14,167,165.60, 21,297,987.60 and 12,088,640.80

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Solution

The fourth proportional to 14,167,165.60, 21,297,987.60 and 12,088,640.80 is: 18,173,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167,165.60 : 21,297,987.60 = 12,088,640.80 : x
  2. Step 2: Convert to fraction form
    14,167,165.60/21,297,987.60 = 12,088,640.80/x
  3. Step 3: Cross multiply
    14,167,165.60x = 21,297,987.60 × 12,088,640.80
  4. Step 4: Simplify right side
    14,167,165.60x = 257,463,721,859,254.12
  5. Step 5: Solve for x
    x = 257,463,721,859,254.12/14,167,165.60
  6. Step 6: Final answer
    x = 18,173,269.74

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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.