Home / 9,177,156.20-12,663,482.77-5,308,954.63

Finding the Fourth Proportional to 9,177,156.20, 12,663,482.77 and 5,308,954.63

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Solution

The fourth proportional to 9,177,156.20, 12,663,482.77 and 5,308,954.63 is: 7,325,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177,156.20 : 12,663,482.77 = 5,308,954.63 : x
  2. Step 2: Convert to fraction form
    9,177,156.20/12,663,482.77 = 5,308,954.63/x
  3. Step 3: Cross multiply
    9,177,156.20x = 12,663,482.77 × 5,308,954.63
  4. Step 4: Simplify right side
    9,177,156.20x = 67,229,855,483,716.72
  5. Step 5: Solve for x
    x = 67,229,855,483,716.72/9,177,156.20
  6. Step 6: Final answer
    x = 7,325,783.07

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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.