Home / 30,559,846-42,178,578.24-17,515,847.65

Finding the Fourth Proportional to 30,559,846, 42,178,578.24 and 17,515,847.65

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Solution

The fourth proportional to 30,559,846, 42,178,578.24 and 17,515,847.65 is: 24,175,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559,846 : 42,178,578.24 = 17,515,847.65 : x
  2. Step 2: Convert to fraction form
    30,559,846/42,178,578.24 = 17,515,847.65/x
  3. Step 3: Cross multiply
    30,559,846x = 42,178,578.24 × 17,515,847.65
  4. Step 4: Simplify right side
    30,559,846x = 738,793,550,545,445.12
  5. Step 5: Solve for x
    x = 738,793,550,545,445.12/30,559,846
  6. Step 6: Final answer
    x = 24,175,303.45

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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.