Home / 30,408,417.01-45,612,258.86-12,212,285.41

Finding the Fourth Proportional to 30,408,417.01, 45,612,258.86 and 12,212,285.41

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Solution

The fourth proportional to 30,408,417.01, 45,612,258.86 and 12,212,285.41 is: 18,318,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408,417.01 : 45,612,258.86 = 12,212,285.41 : x
  2. Step 2: Convert to fraction form
    30,408,417.01/45,612,258.86 = 12,212,285.41/x
  3. Step 3: Cross multiply
    30,408,417.01x = 45,612,258.86 × 12,212,285.41
  4. Step 4: Simplify right side
    30,408,417.01x = 557,029,923,332,059.75
  5. Step 5: Solve for x
    x = 557,029,923,332,059.75/30,408,417.01
  6. Step 6: Final answer
    x = 18,318,280.86

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1.5x scale

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.