Home / 30,765,661.11-42,451,895.39-17,710,397.55

Finding the Fourth Proportional to 30,765,661.11, 42,451,895.39 and 17,710,397.55

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Solution

The fourth proportional to 30,765,661.11, 42,451,895.39 and 17,710,397.55 is: 24,437,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,765,661.11 : 42,451,895.39 = 17,710,397.55 : x
  2. Step 2: Convert to fraction form
    30,765,661.11/42,451,895.39 = 17,710,397.55/x
  3. Step 3: Cross multiply
    30,765,661.11x = 42,451,895.39 × 17,710,397.55
  4. Step 4: Simplify right side
    30,765,661.11x = 751,839,944,019,360.25
  5. Step 5: Solve for x
    x = 751,839,944,019,360.25/30,765,661.11
  6. Step 6: Final answer
    x = 24,437,633.29

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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.