Home / 7,261,408.95-10,868,493.83-5,655,276.15

Finding the Fourth Proportional to 7,261,408.95, 10,868,493.83 and 5,655,276.15

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Solution

The fourth proportional to 7,261,408.95, 10,868,493.83 and 5,655,276.15 is: 8,464,518.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,408.95 : 10,868,493.83 = 5,655,276.15 : x
  2. Step 2: Convert to fraction form
    7,261,408.95/10,868,493.83 = 5,655,276.15/x
  3. Step 3: Cross multiply
    7,261,408.95x = 10,868,493.83 × 5,655,276.15
  4. Step 4: Simplify right side
    7,261,408.95x = 61,464,333,914,944.77
  5. Step 5: Solve for x
    x = 61,464,333,914,944.77/7,261,408.95
  6. Step 6: Final answer
    x = 8,464,518.98

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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.