Home / 10,865,676.40-16,298,514.60-7,039,301.20

Finding the Fourth Proportional to 10,865,676.40, 16,298,514.60 and 7,039,301.20

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Solution

The fourth proportional to 10,865,676.40, 16,298,514.60 and 7,039,301.20 is: 10,558,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,676.40 : 16,298,514.60 = 7,039,301.20 : x
  2. Step 2: Convert to fraction form
    10,865,676.40/16,298,514.60 = 7,039,301.20/x
  3. Step 3: Cross multiply
    10,865,676.40x = 16,298,514.60 × 7,039,301.20
  4. Step 4: Simplify right side
    10,865,676.40x = 114,730,153,381,997.52
  5. Step 5: Solve for x
    x = 114,730,153,381,997.52/10,865,676.40
  6. Step 6: Final answer
    x = 10,558,951.80

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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.