Home / 27,239,653.80-40,840,818.30-12,869,605.80

Finding the Fourth Proportional to 27,239,653.80, 40,840,818.30 and 12,869,605.80

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Solution

The fourth proportional to 27,239,653.80, 40,840,818.30 and 12,869,605.80 is: 19,295,591.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,239,653.80 : 40,840,818.30 = 12,869,605.80 : x
  2. Step 2: Convert to fraction form
    27,239,653.80/40,840,818.30 = 12,869,605.80/x
  3. Step 3: Cross multiply
    27,239,653.80x = 40,840,818.30 × 12,869,605.80
  4. Step 4: Simplify right side
    27,239,653.80x = 525,605,232,070,426.12
  5. Step 5: Solve for x
    x = 525,605,232,070,426.12/27,239,653.80
  6. Step 6: Final answer
    x = 19,295,591.49

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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.