Home / 15,631,192.70-21,522,894.58-13,885,835.48

Finding the Fourth Proportional to 15,631,192.70, 21,522,894.58 and 13,885,835.48

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Solution

The fourth proportional to 15,631,192.70, 21,522,894.58 and 13,885,835.48 is: 19,119,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631,192.70 : 21,522,894.58 = 13,885,835.48 : x
  2. Step 2: Convert to fraction form
    15,631,192.70/21,522,894.58 = 13,885,835.48/x
  3. Step 3: Cross multiply
    15,631,192.70x = 21,522,894.58 × 13,885,835.48
  4. Step 4: Simplify right side
    15,631,192.70x = 298,863,373,181,717.38
  5. Step 5: Solve for x
    x = 298,863,373,181,717.38/15,631,192.70
  6. Step 6: Final answer
    x = 19,119,678.13

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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.