Home / 14,520,672.96-20,038,162.40-7,994,237.28

Finding the Fourth Proportional to 14,520,672.96, 20,038,162.40 and 7,994,237.28

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Solution

The fourth proportional to 14,520,672.96, 20,038,162.40 and 7,994,237.28 is: 11,031,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,672.96 : 20,038,162.40 = 7,994,237.28 : x
  2. Step 2: Convert to fraction form
    14,520,672.96/20,038,162.40 = 7,994,237.28/x
  3. Step 3: Cross multiply
    14,520,672.96x = 20,038,162.40 × 7,994,237.28
  4. Step 4: Simplify right side
    14,520,672.96x = 160,189,824,880,774.25
  5. Step 5: Solve for x
    x = 160,189,824,880,774.25/14,520,672.96
  6. Step 6: Final answer
    x = 11,031,845.79

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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.