Home / 18,123,812.40-27,185,718.60-6,156,548.40

Finding the Fourth Proportional to 18,123,812.40, 27,185,718.60 and 6,156,548.40

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Solution

The fourth proportional to 18,123,812.40, 27,185,718.60 and 6,156,548.40 is: 9,234,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123,812.40 : 27,185,718.60 = 6,156,548.40 : x
  2. Step 2: Convert to fraction form
    18,123,812.40/27,185,718.60 = 6,156,548.40/x
  3. Step 3: Cross multiply
    18,123,812.40x = 27,185,718.60 × 6,156,548.40
  4. Step 4: Simplify right side
    18,123,812.40x = 167,370,192,349,680.25
  5. Step 5: Solve for x
    x = 167,370,192,349,680.25/18,123,812.40
  6. Step 6: Final answer
    x = 9,234,822.60

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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.