Home / 12,547,997.60-18,821,996.40-10,028,573.60

Finding the Fourth Proportional to 12,547,997.60, 18,821,996.40 and 10,028,573.60

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Solution

The fourth proportional to 12,547,997.60, 18,821,996.40 and 10,028,573.60 is: 15,042,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,997.60 : 18,821,996.40 = 10,028,573.60 : x
  2. Step 2: Convert to fraction form
    12,547,997.60/18,821,996.40 = 10,028,573.60/x
  3. Step 3: Cross multiply
    12,547,997.60x = 18,821,996.40 × 10,028,573.60
  4. Step 4: Simplify right side
    12,547,997.60x = 188,757,776,196,335.03
  5. Step 5: Solve for x
    x = 188,757,776,196,335.03/12,547,997.60
  6. Step 6: Final answer
    x = 15,042,860.40

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Similar ratio
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1.5x scale

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.