Home / 30,765,664.11-42,451,899.52-17,710,400.55

Finding the Fourth Proportional to 30,765,664.11, 42,451,899.52 and 17,710,400.55

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Solution

The fourth proportional to 30,765,664.11, 42,451,899.52 and 17,710,400.55 is: 24,437,637.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,765,664.11 : 42,451,899.52 = 17,710,400.55 : x
  2. Step 2: Convert to fraction form
    30,765,664.11/42,451,899.52 = 17,710,400.55/x
  3. Step 3: Cross multiply
    30,765,664.11x = 42,451,899.52 × 17,710,400.55
  4. Step 4: Simplify right side
    30,765,664.11x = 751,840,144,607,552.88
  5. Step 5: Solve for x
    x = 751,840,144,607,552.88/30,765,664.11
  6. Step 6: Final answer
    x = 24,437,637.42

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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.