Home / 13,623,501.47-20,415,071.66-11,211,781.76

Finding the Fourth Proportional to 13,623,501.47, 20,415,071.66 and 11,211,781.76

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Solution

The fourth proportional to 13,623,501.47, 20,415,071.66 and 11,211,781.76 is: 16,801,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623,501.47 : 20,415,071.66 = 11,211,781.76 : x
  2. Step 2: Convert to fraction form
    13,623,501.47/20,415,071.66 = 11,211,781.76/x
  3. Step 3: Cross multiply
    13,623,501.47x = 20,415,071.66 × 11,211,781.76
  4. Step 4: Simplify right side
    13,623,501.47x = 228,889,327,964,605.59
  5. Step 5: Solve for x
    x = 228,889,327,964,605.59/13,623,501.47
  6. Step 6: Final answer
    x = 16,801,064.58

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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.