Home / 21,008,539.83-29,015,699.76-14,121,064.47

Finding the Fourth Proportional to 21,008,539.83, 29,015,699.76 and 14,121,064.47

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Solution

The fourth proportional to 21,008,539.83, 29,015,699.76 and 14,121,064.47 is: 19,503,143.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008,539.83 : 29,015,699.76 = 14,121,064.47 : x
  2. Step 2: Convert to fraction form
    21,008,539.83/29,015,699.76 = 14,121,064.47/x
  3. Step 3: Cross multiply
    21,008,539.83x = 29,015,699.76 × 14,121,064.47
  4. Step 4: Simplify right side
    21,008,539.83x = 409,732,566,953,123.56
  5. Step 5: Solve for x
    x = 409,732,566,953,123.56/21,008,539.83
  6. Step 6: Final answer
    x = 19,503,143.50

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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.