Home / 16,821,205.80-25,231,808.70-9,168,455.40

Finding the Fourth Proportional to 16,821,205.80, 25,231,808.70 and 9,168,455.40

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Solution

The fourth proportional to 16,821,205.80, 25,231,808.70 and 9,168,455.40 is: 13,752,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,205.80 : 25,231,808.70 = 9,168,455.40 : x
  2. Step 2: Convert to fraction form
    16,821,205.80/25,231,808.70 = 9,168,455.40/x
  3. Step 3: Cross multiply
    16,821,205.80x = 25,231,808.70 × 9,168,455.40
  4. Step 4: Simplify right side
    16,821,205.80x = 231,336,712,727,281.97
  5. Step 5: Solve for x
    x = 231,336,712,727,281.97/16,821,205.80
  6. Step 6: Final answer
    x = 13,752,683.10

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1.5x scale

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.