Home / 21,570,708.96-29,768,223-11,781,614.95

Finding the Fourth Proportional to 21,570,708.96, 29,768,223 and 11,781,614.95

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Solution

The fourth proportional to 21,570,708.96, 29,768,223 and 11,781,614.95 is: 16,258,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,570,708.96 : 29,768,223 = 11,781,614.95 : x
  2. Step 2: Convert to fraction form
    21,570,708.96/29,768,223 = 11,781,614.95/x
  3. Step 3: Cross multiply
    21,570,708.96x = 29,768,223 × 11,781,614.95
  4. Step 4: Simplify right side
    21,570,708.96x = 350,717,741,131,733.81
  5. Step 5: Solve for x
    x = 350,717,741,131,733.81/21,570,708.96
  6. Step 6: Final answer
    x = 16,258,980.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.