Home / 28,308,045.70-42,462,068.55-16,942,644.10

Finding the Fourth Proportional to 28,308,045.70, 42,462,068.55 and 16,942,644.10

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Solution

The fourth proportional to 28,308,045.70, 42,462,068.55 and 16,942,644.10 is: 25,413,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308,045.70 : 42,462,068.55 = 16,942,644.10 : x
  2. Step 2: Convert to fraction form
    28,308,045.70/42,462,068.55 = 16,942,644.10/x
  3. Step 3: Cross multiply
    28,308,045.70x = 42,462,068.55 × 16,942,644.10
  4. Step 4: Simplify right side
    28,308,045.70x = 719,419,715,192,453.12
  5. Step 5: Solve for x
    x = 719,419,715,192,453.12/28,308,045.70
  6. Step 6: Final answer
    x = 25,413,966.15

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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.