Home / 12,405,492.48-17,117,070.72-7,247,857.92

Finding the Fourth Proportional to 12,405,492.48, 17,117,070.72 and 7,247,857.92

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Solution

The fourth proportional to 12,405,492.48, 17,117,070.72 and 7,247,857.92 is: 10,000,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405,492.48 : 17,117,070.72 = 7,247,857.92 : x
  2. Step 2: Convert to fraction form
    12,405,492.48/17,117,070.72 = 7,247,857.92/x
  3. Step 3: Cross multiply
    12,405,492.48x = 17,117,070.72 × 7,247,857.92
  4. Step 4: Simplify right side
    12,405,492.48x = 124,062,096,585,152.09
  5. Step 5: Solve for x
    x = 124,062,096,585,152.09/12,405,492.48
  6. Step 6: Final answer
    x = 10,000,578.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.