Home / 8,305,676.60-12,458,514.90-4,890,457.40

Finding the Fourth Proportional to 8,305,676.60, 12,458,514.90 and 4,890,457.40

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Solution

The fourth proportional to 8,305,676.60, 12,458,514.90 and 4,890,457.40 is: 7,335,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,676.60 : 12,458,514.90 = 4,890,457.40 : x
  2. Step 2: Convert to fraction form
    8,305,676.60/12,458,514.90 = 4,890,457.40/x
  3. Step 3: Cross multiply
    8,305,676.60x = 12,458,514.90 × 4,890,457.40
  4. Step 4: Simplify right side
    8,305,676.60x = 60,927,836,385,715.27
  5. Step 5: Solve for x
    x = 60,927,836,385,715.27/8,305,676.60
  6. Step 6: Final answer
    x = 7,335,686.10

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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.