Home / 18,123,818.40-27,185,727.60-6,156,554.40

Finding the Fourth Proportional to 18,123,818.40, 27,185,727.60 and 6,156,554.40

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Solution

The fourth proportional to 18,123,818.40, 27,185,727.60 and 6,156,554.40 is: 9,234,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123,818.40 : 27,185,727.60 = 6,156,554.40 : x
  2. Step 2: Convert to fraction form
    18,123,818.40/27,185,727.60 = 6,156,554.40/x
  3. Step 3: Cross multiply
    18,123,818.40x = 27,185,727.60 × 6,156,554.40
  4. Step 4: Simplify right side
    18,123,818.40x = 167,370,410,872,981.47
  5. Step 5: Solve for x
    x = 167,370,410,872,981.47/18,123,818.40
  6. Step 6: Final answer
    x = 9,234,831.60

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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.