Home / 9,780,260.10-14,670,390.15-7,764,720.90

Finding the Fourth Proportional to 9,780,260.10, 14,670,390.15 and 7,764,720.90

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Solution

The fourth proportional to 9,780,260.10, 14,670,390.15 and 7,764,720.90 is: 11,647,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780,260.10 : 14,670,390.15 = 7,764,720.90 : x
  2. Step 2: Convert to fraction form
    9,780,260.10/14,670,390.15 = 7,764,720.90/x
  3. Step 3: Cross multiply
    9,780,260.10x = 14,670,390.15 × 7,764,720.90
  4. Step 4: Simplify right side
    9,780,260.10x = 113,911,485,008,859.14
  5. Step 5: Solve for x
    x = 113,911,485,008,859.14/9,780,260.10
  6. Step 6: Final answer
    x = 11,647,081.35

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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.