Home / 18,472,000.40-27,708,000.60-7,685,716.40

Finding the Fourth Proportional to 18,472,000.40, 27,708,000.60 and 7,685,716.40

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Solution

The fourth proportional to 18,472,000.40, 27,708,000.60 and 7,685,716.40 is: 11,528,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472,000.40 : 27,708,000.60 = 7,685,716.40 : x
  2. Step 2: Convert to fraction form
    18,472,000.40/27,708,000.60 = 7,685,716.40/x
  3. Step 3: Cross multiply
    18,472,000.40x = 27,708,000.60 × 7,685,716.40
  4. Step 4: Simplify right side
    18,472,000.40x = 212,955,834,622,629.88
  5. Step 5: Solve for x
    x = 212,955,834,622,629.88/18,472,000.40
  6. Step 6: Final answer
    x = 11,528,574.60

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Similar ratio
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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.