Home / 30,154,422.56-41,613,071.64-16,403,353.88

Finding the Fourth Proportional to 30,154,422.56, 41,613,071.64 and 16,403,353.88

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Solution

The fourth proportional to 30,154,422.56, 41,613,071.64 and 16,403,353.88 is: 22,636,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154,422.56 : 41,613,071.64 = 16,403,353.88 : x
  2. Step 2: Convert to fraction form
    30,154,422.56/41,613,071.64 = 16,403,353.88/x
  3. Step 3: Cross multiply
    30,154,422.56x = 41,613,071.64 × 16,403,353.88
  4. Step 4: Simplify right side
    30,154,422.56x = 682,593,940,144,712
  5. Step 5: Solve for x
    x = 682,593,940,144,712/30,154,422.56
  6. Step 6: Final answer
    x = 22,636,611.22

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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.