Home / 12,447,999.60-18,671,999.40-10,853,676.60

Finding the Fourth Proportional to 12,447,999.60, 18,671,999.40 and 10,853,676.60

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Solution

The fourth proportional to 12,447,999.60, 18,671,999.40 and 10,853,676.60 is: 16,280,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447,999.60 : 18,671,999.40 = 10,853,676.60 : x
  2. Step 2: Convert to fraction form
    12,447,999.60/18,671,999.40 = 10,853,676.60/x
  3. Step 3: Cross multiply
    12,447,999.60x = 18,671,999.40 × 10,853,676.60
  4. Step 4: Simplify right side
    12,447,999.60x = 202,659,842,962,994.03
  5. Step 5: Solve for x
    x = 202,659,842,962,994.03/12,447,999.60
  6. Step 6: Final answer
    x = 16,280,514.90

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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.