Home / 14,394,077.89-21,594,898.28-5,172,981.38

Finding the Fourth Proportional to 14,394,077.89, 21,594,898.28 and 5,172,981.38

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Solution

The fourth proportional to 14,394,077.89, 21,594,898.28 and 5,172,981.38 is: 7,760,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394,077.89 : 21,594,898.28 = 5,172,981.38 : x
  2. Step 2: Convert to fraction form
    14,394,077.89/21,594,898.28 = 5,172,981.38/x
  3. Step 3: Cross multiply
    14,394,077.89x = 21,594,898.28 × 5,172,981.38
  4. Step 4: Simplify right side
    14,394,077.89x = 111,710,006,705,434.03
  5. Step 5: Solve for x
    x = 111,710,006,705,434.03/14,394,077.89
  6. Step 6: Final answer
    x = 7,760,831.06

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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.