Home / 12,128,008.40-18,192,012.60-6,063,676.10

Finding the Fourth Proportional to 12,128,008.40, 18,192,012.60 and 6,063,676.10

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Solution

The fourth proportional to 12,128,008.40, 18,192,012.60 and 6,063,676.10 is: 9,095,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,008.40 : 18,192,012.60 = 6,063,676.10 : x
  2. Step 2: Convert to fraction form
    12,128,008.40/18,192,012.60 = 6,063,676.10/x
  3. Step 3: Cross multiply
    12,128,008.40x = 18,192,012.60 × 6,063,676.10
  4. Step 4: Simplify right side
    12,128,008.40x = 110,310,472,013,518.86
  5. Step 5: Solve for x
    x = 110,310,472,013,518.86/12,128,008.40
  6. Step 6: Final answer
    x = 9,095,514.15

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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.