Home / 30,612,237.93-45,810,507.42-19,103,120.46

Finding the Fourth Proportional to 30,612,237.93, 45,810,507.42 and 19,103,120.46

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Solution

The fourth proportional to 30,612,237.93, 45,810,507.42 and 19,103,120.46 is: 28,587,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,612,237.93 : 45,810,507.42 = 19,103,120.46 : x
  2. Step 2: Convert to fraction form
    30,612,237.93/45,810,507.42 = 19,103,120.46/x
  3. Step 3: Cross multiply
    30,612,237.93x = 45,810,507.42 × 19,103,120.46
  4. Step 4: Simplify right side
    30,612,237.93x = 875,123,641,577,983.88
  5. Step 5: Solve for x
    x = 875,123,641,577,983.88/30,612,237.93
  6. Step 6: Final answer
    x = 28,587,378.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.