Home / 30,723,211.51-42,399,319.94-17,670,474.07

Finding the Fourth Proportional to 30,723,211.51, 42,399,319.94 and 17,670,474.07

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Solution

The fourth proportional to 30,723,211.51, 42,399,319.94 and 17,670,474.07 is: 24,385,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,723,211.51 : 42,399,319.94 = 17,670,474.07 : x
  2. Step 2: Convert to fraction form
    30,723,211.51/42,399,319.94 = 17,670,474.07/x
  3. Step 3: Cross multiply
    30,723,211.51x = 42,399,319.94 × 17,670,474.07
  4. Step 4: Simplify right side
    30,723,211.51x = 749,216,083,497,051.62
  5. Step 5: Solve for x
    x = 749,216,083,497,051.62/30,723,211.51
  6. Step 6: Final answer
    x = 24,385,995.04

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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.