Home / 14,105,766.60-21,203,750.70-13,107,328.20

Finding the Fourth Proportional to 14,105,766.60, 21,203,750.70 and 13,107,328.20

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Solution

The fourth proportional to 14,105,766.60, 21,203,750.70 and 13,107,328.20 is: 19,702,900.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105,766.60 : 21,203,750.70 = 13,107,328.20 : x
  2. Step 2: Convert to fraction form
    14,105,766.60/21,203,750.70 = 13,107,328.20/x
  3. Step 3: Cross multiply
    14,105,766.60x = 21,203,750.70 × 13,107,328.20
  4. Step 4: Simplify right side
    14,105,766.60x = 277,924,519,495,879.72
  5. Step 5: Solve for x
    x = 277,924,519,495,879.72/14,105,766.60
  6. Step 6: Final answer
    x = 19,702,900.76

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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.