Home / 19,331,487.60-28,997,231.40-6,723,999.60

Finding the Fourth Proportional to 19,331,487.60, 28,997,231.40 and 6,723,999.60

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Solution

The fourth proportional to 19,331,487.60, 28,997,231.40 and 6,723,999.60 is: 10,085,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331,487.60 : 28,997,231.40 = 6,723,999.60 : x
  2. Step 2: Convert to fraction form
    19,331,487.60/28,997,231.40 = 6,723,999.60/x
  3. Step 3: Cross multiply
    19,331,487.60x = 28,997,231.40 × 6,723,999.60
  4. Step 4: Simplify right side
    19,331,487.60x = 194,977,372,334,707.41
  5. Step 5: Solve for x
    x = 194,977,372,334,707.41/19,331,487.60
  6. Step 6: Final answer
    x = 10,085,999.40

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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.