Home / 13,061,043.98-18,023,780.99-7,180,635.35

Finding the Fourth Proportional to 13,061,043.98, 18,023,780.99 and 7,180,635.35

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Solution

The fourth proportional to 13,061,043.98, 18,023,780.99 and 7,180,635.35 is: 9,909,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061,043.98 : 18,023,780.99 = 7,180,635.35 : x
  2. Step 2: Convert to fraction form
    13,061,043.98/18,023,780.99 = 7,180,635.35/x
  3. Step 3: Cross multiply
    13,061,043.98x = 18,023,780.99 × 7,180,635.35
  4. Step 4: Simplify right side
    13,061,043.98x = 129,422,198,881,548.81
  5. Step 5: Solve for x
    x = 129,422,198,881,548.81/13,061,043.98
  6. Step 6: Final answer
    x = 9,909,024.05

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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.