Home / 11,111,012.40-16,666,518.60-9,906,412.80

Finding the Fourth Proportional to 11,111,012.40, 16,666,518.60 and 9,906,412.80

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Solution

The fourth proportional to 11,111,012.40, 16,666,518.60 and 9,906,412.80 is: 14,859,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111,012.40 : 16,666,518.60 = 9,906,412.80 : x
  2. Step 2: Convert to fraction form
    11,111,012.40/16,666,518.60 = 9,906,412.80/x
  3. Step 3: Cross multiply
    11,111,012.40x = 16,666,518.60 × 9,906,412.80
  4. Step 4: Simplify right side
    11,111,012.40x = 165,105,413,190,478.09
  5. Step 5: Solve for x
    x = 165,105,413,190,478.09/11,111,012.40
  6. Step 6: Final answer
    x = 14,859,619.20

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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.