Home / 8,457,509.28-12,686,263.90-2,067,685.76

Finding the Fourth Proportional to 8,457,509.28, 12,686,263.90 and 2,067,685.76

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Solution

The fourth proportional to 8,457,509.28, 12,686,263.90 and 2,067,685.76 is: 3,101,528.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457,509.28 : 12,686,263.90 = 2,067,685.76 : x
  2. Step 2: Convert to fraction form
    8,457,509.28/12,686,263.90 = 2,067,685.76/x
  3. Step 3: Cross multiply
    8,457,509.28x = 12,686,263.90 × 2,067,685.76
  4. Step 4: Simplify right side
    8,457,509.28x = 26,231,207,213,632.07
  5. Step 5: Solve for x
    x = 26,231,207,213,632.07/8,457,509.28
  6. Step 6: Final answer
    x = 3,101,528.64

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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.