Home / 30,360,261.58-45,540,355.43-9,889,947.72

Finding the Fourth Proportional to 30,360,261.58, 45,540,355.43 and 9,889,947.72

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Solution

The fourth proportional to 30,360,261.58, 45,540,355.43 and 9,889,947.72 is: 14,834,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360,261.58 : 45,540,355.43 = 9,889,947.72 : x
  2. Step 2: Convert to fraction form
    30,360,261.58/45,540,355.43 = 9,889,947.72/x
  3. Step 3: Cross multiply
    30,360,261.58x = 45,540,355.43 × 9,889,947.72
  4. Step 4: Simplify right side
    30,360,261.58x = 450,391,734,322,012.06
  5. Step 5: Solve for x
    x = 450,391,734,322,012.06/30,360,261.58
  6. Step 6: Final answer
    x = 14,834,909.55

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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.