Home / 11,111,009.40-16,666,514.10-9,906,409.80

Finding the Fourth Proportional to 11,111,009.40, 16,666,514.10 and 9,906,409.80

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Solution

The fourth proportional to 11,111,009.40, 16,666,514.10 and 9,906,409.80 is: 14,859,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111,009.40 : 16,666,514.10 = 9,906,409.80 : x
  2. Step 2: Convert to fraction form
    11,111,009.40/16,666,514.10 = 9,906,409.80/x
  3. Step 3: Cross multiply
    11,111,009.40x = 16,666,514.10 × 9,906,409.80
  4. Step 4: Simplify right side
    11,111,009.40x = 165,105,318,612,078.19
  5. Step 5: Solve for x
    x = 165,105,318,612,078.19/11,111,009.40
  6. Step 6: Final answer
    x = 14,859,614.70

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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.