Home / 12,133,138.80-18,176,088.60-6,732,123.60

Finding the Fourth Proportional to 12,133,138.80, 18,176,088.60 and 6,732,123.60

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Solution

The fourth proportional to 12,133,138.80, 18,176,088.60 and 6,732,123.60 is: 10,085,079.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133,138.80 : 18,176,088.60 = 6,732,123.60 : x
  2. Step 2: Convert to fraction form
    12,133,138.80/18,176,088.60 = 6,732,123.60/x
  3. Step 3: Cross multiply
    12,133,138.80x = 18,176,088.60 × 6,732,123.60
  4. Step 4: Simplify right side
    12,133,138.80x = 122,363,675,019,750.97
  5. Step 5: Solve for x
    x = 122,363,675,019,750.97/12,133,138.80
  6. Step 6: Final answer
    x = 10,085,079.96

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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.