Home / 21,191,836.20-31,740,515.10-16,373,437.80

Finding the Fourth Proportional to 21,191,836.20, 31,740,515.10 and 16,373,437.80

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Solution

The fourth proportional to 21,191,836.20, 31,740,515.10 and 16,373,437.80 is: 24,523,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,191,836.20 : 31,740,515.10 = 16,373,437.80 : x
  2. Step 2: Convert to fraction form
    21,191,836.20/31,740,515.10 = 16,373,437.80/x
  3. Step 3: Cross multiply
    21,191,836.20x = 31,740,515.10 × 16,373,437.80
  4. Step 4: Simplify right side
    21,191,836.20x = 519,701,349,729,810.81
  5. Step 5: Solve for x
    x = 519,701,349,729,810.81/21,191,836.20
  6. Step 6: Final answer
    x = 24,523,658.30

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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.