Home / 12,572,281.60-18,858,422.40-8,745,906.40

Finding the Fourth Proportional to 12,572,281.60, 18,858,422.40 and 8,745,906.40

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Solution

The fourth proportional to 12,572,281.60, 18,858,422.40 and 8,745,906.40 is: 13,118,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572,281.60 : 18,858,422.40 = 8,745,906.40 : x
  2. Step 2: Convert to fraction form
    12,572,281.60/18,858,422.40 = 8,745,906.40/x
  3. Step 3: Cross multiply
    12,572,281.60x = 18,858,422.40 × 8,745,906.40
  4. Step 4: Simplify right side
    12,572,281.60x = 164,933,997,162,063.34
  5. Step 5: Solve for x
    x = 164,933,997,162,063.34/12,572,281.60
  6. Step 6: Final answer
    x = 13,118,859.60

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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.