Home / 10,928,075.60-16,378,116.60-8,391,155.60

Finding the Fourth Proportional to 10,928,075.60, 16,378,116.60 and 8,391,155.60

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Solution

The fourth proportional to 10,928,075.60, 16,378,116.60 and 8,391,155.60 is: 12,575,985.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928,075.60 : 16,378,116.60 = 8,391,155.60 : x
  2. Step 2: Convert to fraction form
    10,928,075.60/16,378,116.60 = 8,391,155.60/x
  3. Step 3: Cross multiply
    10,928,075.60x = 16,378,116.60 × 8,391,155.60
  4. Step 4: Simplify right side
    10,928,075.60x = 137,431,324,825,542.95
  5. Step 5: Solve for x
    x = 137,431,324,825,542.95/10,928,075.60
  6. Step 6: Final answer
    x = 12,575,985.92

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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.