Home / 12,476,656.70-18,714,985.05-10,650,074.30

Finding the Fourth Proportional to 12,476,656.70, 18,714,985.05 and 10,650,074.30

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Solution

The fourth proportional to 12,476,656.70, 18,714,985.05 and 10,650,074.30 is: 15,975,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,656.70 : 18,714,985.05 = 10,650,074.30 : x
  2. Step 2: Convert to fraction form
    12,476,656.70/18,714,985.05 = 10,650,074.30/x
  3. Step 3: Cross multiply
    12,476,656.70x = 18,714,985.05 × 10,650,074.30
  4. Step 4: Simplify right side
    12,476,656.70x = 199,315,981,305,889.25
  5. Step 5: Solve for x
    x = 199,315,981,305,889.25/12,476,656.70
  6. Step 6: Final answer
    x = 15,975,111.45

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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.