Home / 30,923,389.53-42,674,789.25-16,986,032.54

Finding the Fourth Proportional to 30,923,389.53, 42,674,789.25 and 16,986,032.54

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Solution

The fourth proportional to 30,923,389.53, 42,674,789.25 and 16,986,032.54 is: 23,441,005.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,923,389.53 : 42,674,789.25 = 16,986,032.54 : x
  2. Step 2: Convert to fraction form
    30,923,389.53/42,674,789.25 = 16,986,032.54/x
  3. Step 3: Cross multiply
    30,923,389.53x = 42,674,789.25 × 16,986,032.54
  4. Step 4: Simplify right side
    30,923,389.53x = 724,875,358,838,142.12
  5. Step 5: Solve for x
    x = 724,875,358,838,142.12/30,923,389.53
  6. Step 6: Final answer
    x = 23,441,005.98

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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.