Home / 21,123,508.84-31,685,264.14-11,533,656.44

Finding the Fourth Proportional to 21,123,508.84, 31,685,264.14 and 11,533,656.44

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Solution

The fourth proportional to 21,123,508.84, 31,685,264.14 and 11,533,656.44 is: 17,300,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,123,508.84 : 31,685,264.14 = 11,533,656.44 : x
  2. Step 2: Convert to fraction form
    21,123,508.84/31,685,264.14 = 11,533,656.44/x
  3. Step 3: Cross multiply
    21,123,508.84x = 31,685,264.14 × 11,533,656.44
  4. Step 4: Simplify right side
    21,123,508.84x = 365,446,950,801,412.06
  5. Step 5: Solve for x
    x = 365,446,950,801,412.06/21,123,508.84
  6. Step 6: Final answer
    x = 17,300,485.14

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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.