Home / 30,762,487.80-42,452,158.32-17,704,980

Finding the Fourth Proportional to 30,762,487.80, 42,452,158.32 and 17,704,980

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Solution

The fourth proportional to 30,762,487.80, 42,452,158.32 and 17,704,980 is: 24,432,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,762,487.80 : 42,452,158.32 = 17,704,980 : x
  2. Step 2: Convert to fraction form
    30,762,487.80/42,452,158.32 = 17,704,980/x
  3. Step 3: Cross multiply
    30,762,487.80x = 42,452,158.32 × 17,704,980
  4. Step 4: Simplify right side
    30,762,487.80x = 751,614,614,012,433.62
  5. Step 5: Solve for x
    x = 751,614,614,012,433.62/30,762,487.80
  6. Step 6: Final answer
    x = 24,432,829.32

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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.