Home / 9,137,218.60-13,705,827.90-8,381,391.40

Finding the Fourth Proportional to 9,137,218.60, 13,705,827.90 and 8,381,391.40

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Solution

The fourth proportional to 9,137,218.60, 13,705,827.90 and 8,381,391.40 is: 12,572,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137,218.60 : 13,705,827.90 = 8,381,391.40 : x
  2. Step 2: Convert to fraction form
    9,137,218.60/13,705,827.90 = 8,381,391.40/x
  3. Step 3: Cross multiply
    9,137,218.60x = 13,705,827.90 × 8,381,391.40
  4. Step 4: Simplify right side
    9,137,218.60x = 114,873,908,090,940.06
  5. Step 5: Solve for x
    x = 114,873,908,090,940.06/9,137,218.60
  6. Step 6: Final answer
    x = 12,572,087.10

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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.