Home / 21,811,848.33-30,098,580.97-12,645,081.57

Finding the Fourth Proportional to 21,811,848.33, 30,098,580.97 and 12,645,081.57

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Solution

The fourth proportional to 21,811,848.33, 30,098,580.97 and 12,645,081.57 is: 17,449,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,811,848.33 : 30,098,580.97 = 12,645,081.57 : x
  2. Step 2: Convert to fraction form
    21,811,848.33/30,098,580.97 = 12,645,081.57/x
  3. Step 3: Cross multiply
    21,811,848.33x = 30,098,580.97 × 12,645,081.57
  4. Step 4: Simplify right side
    21,811,848.33x = 380,599,011,506,899.69
  5. Step 5: Solve for x
    x = 380,599,011,506,899.69/21,811,848.33
  6. Step 6: Final answer
    x = 17,449,186.60

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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.