Home / 13,261,349.60-19,892,024.40-13,166,871.20

Finding the Fourth Proportional to 13,261,349.60, 19,892,024.40 and 13,166,871.20

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Solution

The fourth proportional to 13,261,349.60, 19,892,024.40 and 13,166,871.20 is: 19,750,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261,349.60 : 19,892,024.40 = 13,166,871.20 : x
  2. Step 2: Convert to fraction form
    13,261,349.60/19,892,024.40 = 13,166,871.20/x
  3. Step 3: Cross multiply
    13,261,349.60x = 19,892,024.40 × 13,166,871.20
  4. Step 4: Simplify right side
    13,261,349.60x = 261,915,723,182,057.25
  5. Step 5: Solve for x
    x = 261,915,723,182,057.25/13,261,349.60
  6. Step 6: Final answer
    x = 19,750,306.80

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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.