Home / 45,220,947.39-67,831,840.86-12,872,848.74

Finding the Fourth Proportional to 45,220,947.39, 67,831,840.86 and 12,872,848.74

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Solution

The fourth proportional to 45,220,947.39, 67,831,840.86 and 12,872,848.74 is: 19,309,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,220,947.39 : 67,831,840.86 = 12,872,848.74 : x
  2. Step 2: Convert to fraction form
    45,220,947.39/67,831,840.86 = 12,872,848.74/x
  3. Step 3: Cross multiply
    45,220,947.39x = 67,831,840.86 × 12,872,848.74
  4. Step 4: Simplify right side
    45,220,947.39x = 873,189,027,146,531.50
  5. Step 5: Solve for x
    x = 873,189,027,146,531.50/45,220,947.39
  6. Step 6: Final answer
    x = 19,309,392.61

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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.