Home / 30,548,527.17-42,158,480.85-18,949,827.75

Finding the Fourth Proportional to 30,548,527.17, 42,158,480.85 and 18,949,827.75

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Solution

The fourth proportional to 30,548,527.17, 42,158,480.85 and 18,949,827.75 is: 26,151,701.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,548,527.17 : 42,158,480.85 = 18,949,827.75 : x
  2. Step 2: Convert to fraction form
    30,548,527.17/42,158,480.85 = 18,949,827.75/x
  3. Step 3: Cross multiply
    30,548,527.17x = 42,158,480.85 × 18,949,827.75
  4. Step 4: Simplify right side
    30,548,527.17x = 798,895,950,309,173.62
  5. Step 5: Solve for x
    x = 798,895,950,309,173.62/30,548,527.17
  6. Step 6: Final answer
    x = 26,151,701.06

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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.