Home / 12,983,578.70-19,477,140.37-5,408,773.02

Finding the Fourth Proportional to 12,983,578.70, 19,477,140.37 and 5,408,773.02

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Solution

The fourth proportional to 12,983,578.70, 19,477,140.37 and 5,408,773.02 is: 8,113,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,578.70 : 19,477,140.37 = 5,408,773.02 : x
  2. Step 2: Convert to fraction form
    12,983,578.70/19,477,140.37 = 5,408,773.02/x
  3. Step 3: Cross multiply
    12,983,578.70x = 19,477,140.37 × 5,408,773.02
  4. Step 4: Simplify right side
    12,983,578.70x = 105,347,431,340,008.81
  5. Step 5: Solve for x
    x = 105,347,431,340,008.81/12,983,578.70
  6. Step 6: Final answer
    x = 8,113,897.85

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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.