Home / 8,535,246.40-12,784,984.80-3,990,174.40

Finding the Fourth Proportional to 8,535,246.40, 12,784,984.80 and 3,990,174.40

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Solution

The fourth proportional to 8,535,246.40, 12,784,984.80 and 3,990,174.40 is: 5,976,900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535,246.40 : 12,784,984.80 = 3,990,174.40 : x
  2. Step 2: Convert to fraction form
    8,535,246.40/12,784,984.80 = 3,990,174.40/x
  3. Step 3: Cross multiply
    8,535,246.40x = 12,784,984.80 × 3,990,174.40
  4. Step 4: Simplify right side
    8,535,246.40x = 51,014,319,053,349.12
  5. Step 5: Solve for x
    x = 51,014,319,053,349.12/8,535,246.40
  6. Step 6: Final answer
    x = 5,976,900.57

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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.