Home / 30,662,831.85-42,315,212.23-16,724,186.98

Finding the Fourth Proportional to 30,662,831.85, 42,315,212.23 and 16,724,186.98

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Solution

The fourth proportional to 30,662,831.85, 42,315,212.23 and 16,724,186.98 is: 23,079,653.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,662,831.85 : 42,315,212.23 = 16,724,186.98 : x
  2. Step 2: Convert to fraction form
    30,662,831.85/42,315,212.23 = 16,724,186.98/x
  3. Step 3: Cross multiply
    30,662,831.85x = 42,315,212.23 × 16,724,186.98
  4. Step 4: Simplify right side
    30,662,831.85x = 707,687,521,285,304.25
  5. Step 5: Solve for x
    x = 707,687,521,285,304.25/30,662,831.85
  6. Step 6: Final answer
    x = 23,079,653.07

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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.