Home / 10,369,831.70-15,554,747.55-6,786,650.90

Finding the Fourth Proportional to 10,369,831.70, 15,554,747.55 and 6,786,650.90

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Solution

The fourth proportional to 10,369,831.70, 15,554,747.55 and 6,786,650.90 is: 10,179,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,831.70 : 15,554,747.55 = 6,786,650.90 : x
  2. Step 2: Convert to fraction form
    10,369,831.70/15,554,747.55 = 6,786,650.90/x
  3. Step 3: Cross multiply
    10,369,831.70x = 15,554,747.55 × 6,786,650.90
  4. Step 4: Simplify right side
    10,369,831.70x = 105,564,641,459,480.31
  5. Step 5: Solve for x
    x = 105,564,641,459,480.31/10,369,831.70
  6. Step 6: Final answer
    x = 10,179,976.35

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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.