Home / 14,139,519.36-21,179,852.28-8,996,472.96

Finding the Fourth Proportional to 14,139,519.36, 21,179,852.28 and 8,996,472.96

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Solution

The fourth proportional to 14,139,519.36, 21,179,852.28 and 8,996,472.96 is: 13,475,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139,519.36 : 21,179,852.28 = 8,996,472.96 : x
  2. Step 2: Convert to fraction form
    14,139,519.36/21,179,852.28 = 8,996,472.96/x
  3. Step 3: Cross multiply
    14,139,519.36x = 21,179,852.28 × 8,996,472.96
  4. Step 4: Simplify right side
    14,139,519.36x = 190,543,968,333,814.38
  5. Step 5: Solve for x
    x = 190,543,968,333,814.38/14,139,519.36
  6. Step 6: Final answer
    x = 13,475,986.24

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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.