Home / 13,086,869.90-18,059,528.48-7,285,651.52

Finding the Fourth Proportional to 13,086,869.90, 18,059,528.48 and 7,285,651.52

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Solution

The fourth proportional to 13,086,869.90, 18,059,528.48 and 7,285,651.52 is: 10,054,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086,869.90 : 18,059,528.48 = 7,285,651.52 : x
  2. Step 2: Convert to fraction form
    13,086,869.90/18,059,528.48 = 7,285,651.52/x
  3. Step 3: Cross multiply
    13,086,869.90x = 18,059,528.48 × 7,285,651.52
  4. Step 4: Simplify right side
    13,086,869.90x = 131,575,430,994,069.39
  5. Step 5: Solve for x
    x = 131,575,430,994,069.39/13,086,869.90
  6. Step 6: Final answer
    x = 10,054,003.14

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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.