Home / 30,329,810.10-45,494,715.15-17,415,793.80

Finding the Fourth Proportional to 30,329,810.10, 45,494,715.15 and 17,415,793.80

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Solution

The fourth proportional to 30,329,810.10, 45,494,715.15 and 17,415,793.80 is: 26,123,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329,810.10 : 45,494,715.15 = 17,415,793.80 : x
  2. Step 2: Convert to fraction form
    30,329,810.10/45,494,715.15 = 17,415,793.80/x
  3. Step 3: Cross multiply
    30,329,810.10x = 45,494,715.15 × 17,415,793.80
  4. Step 4: Simplify right side
    30,329,810.10x = 792,326,578,042,136.12
  5. Step 5: Solve for x
    x = 792,326,578,042,136.12/30,329,810.10
  6. Step 6: Final answer
    x = 26,123,690.70

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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.