Home / 27,218,672.10-40,828,008.15-12,072,603.60

Finding the Fourth Proportional to 27,218,672.10, 40,828,008.15 and 12,072,603.60

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Solution

The fourth proportional to 27,218,672.10, 40,828,008.15 and 12,072,603.60 is: 18,108,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218,672.10 : 40,828,008.15 = 12,072,603.60 : x
  2. Step 2: Convert to fraction form
    27,218,672.10/40,828,008.15 = 12,072,603.60/x
  3. Step 3: Cross multiply
    27,218,672.10x = 40,828,008.15 × 12,072,603.60
  4. Step 4: Simplify right side
    27,218,672.10x = 492,900,358,172,519.31
  5. Step 5: Solve for x
    x = 492,900,358,172,519.31/27,218,672.10
  6. Step 6: Final answer
    x = 18,108,905.40

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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.