Home / 12,085,703.30-18,149,550.15-6,416,999.30

Finding the Fourth Proportional to 12,085,703.30, 18,149,550.15 and 6,416,999.30

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Solution

The fourth proportional to 12,085,703.30, 18,149,550.15 and 6,416,999.30 is: 9,636,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085,703.30 : 18,149,550.15 = 6,416,999.30 : x
  2. Step 2: Convert to fraction form
    12,085,703.30/18,149,550.15 = 6,416,999.30/x
  3. Step 3: Cross multiply
    12,085,703.30x = 18,149,550.15 × 6,416,999.30
  4. Step 4: Simplify right side
    12,085,703.30x = 116,465,650,607,864.88
  5. Step 5: Solve for x
    x = 116,465,650,607,864.88/12,085,703.30
  6. Step 6: Final answer
    x = 9,636,646.52

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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.