Home / 12,266,440.20-18,399,660.30-12,182,459.40

Finding the Fourth Proportional to 12,266,440.20, 18,399,660.30 and 12,182,459.40

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Solution

The fourth proportional to 12,266,440.20, 18,399,660.30 and 12,182,459.40 is: 18,273,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266,440.20 : 18,399,660.30 = 12,182,459.40 : x
  2. Step 2: Convert to fraction form
    12,266,440.20/18,399,660.30 = 12,182,459.40/x
  3. Step 3: Cross multiply
    12,266,440.20x = 18,399,660.30 × 12,182,459.40
  4. Step 4: Simplify right side
    12,266,440.20x = 224,153,114,578,541.84
  5. Step 5: Solve for x
    x = 224,153,114,578,541.84/12,266,440.20
  6. Step 6: Final answer
    x = 18,273,689.10

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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.