Home / 21,064,122.96-29,068,482.60-11,406,330.96

Finding the Fourth Proportional to 21,064,122.96, 29,068,482.60 and 11,406,330.96

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Solution

The fourth proportional to 21,064,122.96, 29,068,482.60 and 11,406,330.96 is: 15,740,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064,122.96 : 29,068,482.60 = 11,406,330.96 : x
  2. Step 2: Convert to fraction form
    21,064,122.96/29,068,482.60 = 11,406,330.96/x
  3. Step 3: Cross multiply
    21,064,122.96x = 29,068,482.60 × 11,406,330.96
  4. Step 4: Simplify right side
    21,064,122.96x = 331,564,733,040,601.31
  5. Step 5: Solve for x
    x = 331,564,733,040,601.31/21,064,122.96
  6. Step 6: Final answer
    x = 15,740,732.89

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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.