Home / 11,708,012.96-17,561,920.80-9,151,378.40

Finding the Fourth Proportional to 11,708,012.96, 17,561,920.80 and 9,151,378.40

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Solution

The fourth proportional to 11,708,012.96, 17,561,920.80 and 9,151,378.40 is: 13,726,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708,012.96 : 17,561,920.80 = 9,151,378.40 : x
  2. Step 2: Convert to fraction form
    11,708,012.96/17,561,920.80 = 9,151,378.40/x
  3. Step 3: Cross multiply
    11,708,012.96x = 17,561,920.80 × 9,151,378.40
  4. Step 4: Simplify right side
    11,708,012.96x = 160,715,782,671,630.72
  5. Step 5: Solve for x
    x = 160,715,782,671,630.72/11,708,012.96
  6. Step 6: Final answer
    x = 13,726,990.50

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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.