Home / 10,365,511.76-15,551,255.73-3,178,106.36

Finding the Fourth Proportional to 10,365,511.76, 15,551,255.73 and 3,178,106.36

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Solution

The fourth proportional to 10,365,511.76, 15,551,255.73 and 3,178,106.36 is: 4,768,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,511.76 : 15,551,255.73 = 3,178,106.36 : x
  2. Step 2: Convert to fraction form
    10,365,511.76/15,551,255.73 = 3,178,106.36/x
  3. Step 3: Cross multiply
    10,365,511.76x = 15,551,255.73 × 3,178,106.36
  4. Step 4: Simplify right side
    10,365,511.76x = 49,423,544,741,499.45
  5. Step 5: Solve for x
    x = 49,423,544,741,499.45/10,365,511.76
  6. Step 6: Final answer
    x = 4,768,075.70

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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.