Home / 17,007,019.80-25,448,321.70-12,528,043.80

Finding the Fourth Proportional to 17,007,019.80, 25,448,321.70 and 12,528,043.80

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Solution

The fourth proportional to 17,007,019.80, 25,448,321.70 and 12,528,043.80 is: 18,746,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007,019.80 : 25,448,321.70 = 12,528,043.80 : x
  2. Step 2: Convert to fraction form
    17,007,019.80/25,448,321.70 = 12,528,043.80/x
  3. Step 3: Cross multiply
    17,007,019.80x = 25,448,321.70 × 12,528,043.80
  4. Step 4: Simplify right side
    17,007,019.80x = 318,817,688,894,090.50
  5. Step 5: Solve for x
    x = 318,817,688,894,090.50/17,007,019.80
  6. Step 6: Final answer
    x = 18,746,240.83

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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.