Home / 22,409,128.19-30,925,914.96-13,708,968.47

Finding the Fourth Proportional to 22,409,128.19, 30,925,914.96 and 13,708,968.47

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Solution

The fourth proportional to 22,409,128.19, 30,925,914.96 and 13,708,968.47 is: 18,919,182.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409,128.19 : 30,925,914.96 = 13,708,968.47 : x
  2. Step 2: Convert to fraction form
    22,409,128.19/30,925,914.96 = 13,708,968.47/x
  3. Step 3: Cross multiply
    22,409,128.19x = 30,925,914.96 × 13,708,968.47
  4. Step 4: Simplify right side
    22,409,128.19x = 423,962,393,092,541.38
  5. Step 5: Solve for x
    x = 423,962,393,092,541.38/22,409,128.19
  6. Step 6: Final answer
    x = 18,919,182.82

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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.