Home / 8,790,400.80-13,169,854.80-7,530,688.80

Finding the Fourth Proportional to 8,790,400.80, 13,169,854.80 and 7,530,688.80

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Solution

The fourth proportional to 8,790,400.80, 13,169,854.80 and 7,530,688.80 is: 11,282,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790,400.80 : 13,169,854.80 = 7,530,688.80 : x
  2. Step 2: Convert to fraction form
    8,790,400.80/13,169,854.80 = 7,530,688.80/x
  3. Step 3: Cross multiply
    8,790,400.80x = 13,169,854.80 × 7,530,688.80
  4. Step 4: Simplify right side
    8,790,400.80x = 99,178,078,039,986.25
  5. Step 5: Solve for x
    x = 99,178,078,039,986.25/8,790,400.80
  6. Step 6: Final answer
    x = 11,282,543.34

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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.