Home / 13,383,327.60-20,052,829.80-7,693,628.40

Finding the Fourth Proportional to 13,383,327.60, 20,052,829.80 and 7,693,628.40

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Solution

The fourth proportional to 13,383,327.60, 20,052,829.80 and 7,693,628.40 is: 11,527,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383,327.60 : 20,052,829.80 = 7,693,628.40 : x
  2. Step 2: Convert to fraction form
    13,383,327.60/20,052,829.80 = 7,693,628.40/x
  3. Step 3: Cross multiply
    13,383,327.60x = 20,052,829.80 × 7,693,628.40
  4. Step 4: Simplify right side
    13,383,327.60x = 154,279,020,849,646.34
  5. Step 5: Solve for x
    x = 154,279,020,849,646.34/13,383,327.60
  6. Step 6: Final answer
    x = 11,527,702.64

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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.