Home / 13,589,097.48-18,753,730.44-7,788,845.40

Finding the Fourth Proportional to 13,589,097.48, 18,753,730.44 and 7,788,845.40

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Solution

The fourth proportional to 13,589,097.48, 18,753,730.44 and 7,788,845.40 is: 10,749,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589,097.48 : 18,753,730.44 = 7,788,845.40 : x
  2. Step 2: Convert to fraction form
    13,589,097.48/18,753,730.44 = 7,788,845.40/x
  3. Step 3: Cross multiply
    13,589,097.48x = 18,753,730.44 × 7,788,845.40
  4. Step 4: Simplify right side
    13,589,097.48x = 146,069,907,070,434
  5. Step 5: Solve for x
    x = 146,069,907,070,434/13,589,097.48
  6. Step 6: Final answer
    x = 10,749,051.38

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1.5x scale

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.