Home / 14,665,897.89-20,237,996.27-8,139,531.77

Finding the Fourth Proportional to 14,665,897.89, 20,237,996.27 and 8,139,531.77

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Solution

The fourth proportional to 14,665,897.89, 20,237,996.27 and 8,139,531.77 is: 11,232,030.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665,897.89 : 20,237,996.27 = 8,139,531.77 : x
  2. Step 2: Convert to fraction form
    14,665,897.89/20,237,996.27 = 8,139,531.77/x
  3. Step 3: Cross multiply
    14,665,897.89x = 20,237,996.27 × 8,139,531.77
  4. Step 4: Simplify right side
    14,665,897.89x = 164,727,813,595,857.84
  5. Step 5: Solve for x
    x = 164,727,813,595,857.84/14,665,897.89
  6. Step 6: Final answer
    x = 11,232,030.58

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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.