Home / 28,139,635.44-38,832,679.80-15,262,579.44

Finding the Fourth Proportional to 28,139,635.44, 38,832,679.80 and 15,262,579.44

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Solution

The fourth proportional to 28,139,635.44, 38,832,679.80 and 15,262,579.44 is: 21,062,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,139,635.44 : 38,832,679.80 = 15,262,579.44 : x
  2. Step 2: Convert to fraction form
    28,139,635.44/38,832,679.80 = 15,262,579.44/x
  3. Step 3: Cross multiply
    28,139,635.44x = 38,832,679.80 × 15,262,579.44
  4. Step 4: Simplify right side
    28,139,635.44x = 592,686,860,315,583.25
  5. Step 5: Solve for x
    x = 592,686,860,315,583.25/28,139,635.44
  6. Step 6: Final answer
    x = 21,062,350.35

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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.