Home / 21,447,071.20-29,597,156.36-11,657,538.37

Finding the Fourth Proportional to 21,447,071.20, 29,597,156.36 and 11,657,538.37

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Solution

The fourth proportional to 21,447,071.20, 29,597,156.36 and 11,657,538.37 is: 16,087,510.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447,071.20 : 29,597,156.36 = 11,657,538.37 : x
  2. Step 2: Convert to fraction form
    21,447,071.20/29,597,156.36 = 11,657,538.37/x
  3. Step 3: Cross multiply
    21,447,071.20x = 29,597,156.36 × 11,657,538.37
  4. Step 4: Simplify right side
    21,447,071.20x = 345,029,985,909,589.50
  5. Step 5: Solve for x
    x = 345,029,985,909,589.50/21,447,071.20
  6. Step 6: Final answer
    x = 16,087,510.63

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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.