Home / 11,969,661.80-16,518,238.98-6,813,355.40

Finding the Fourth Proportional to 11,969,661.80, 16,518,238.98 and 6,813,355.40

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Solution

The fourth proportional to 11,969,661.80, 16,518,238.98 and 6,813,355.40 is: 9,402,490.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969,661.80 : 16,518,238.98 = 6,813,355.40 : x
  2. Step 2: Convert to fraction form
    11,969,661.80/16,518,238.98 = 6,813,355.40/x
  3. Step 3: Cross multiply
    11,969,661.80x = 16,518,238.98 × 6,813,355.40
  4. Step 4: Simplify right side
    11,969,661.80x = 112,544,632,752,873.50
  5. Step 5: Solve for x
    x = 112,544,632,752,873.50/11,969,661.80
  6. Step 6: Final answer
    x = 9,402,490.62

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1.5x scale

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.