Home / 13,760,886.80-20,641,330.20-9,225,923.60

Finding the Fourth Proportional to 13,760,886.80, 20,641,330.20 and 9,225,923.60

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Solution

The fourth proportional to 13,760,886.80, 20,641,330.20 and 9,225,923.60 is: 13,838,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760,886.80 : 20,641,330.20 = 9,225,923.60 : x
  2. Step 2: Convert to fraction form
    13,760,886.80/20,641,330.20 = 9,225,923.60/x
  3. Step 3: Cross multiply
    13,760,886.80x = 20,641,330.20 × 9,225,923.60
  4. Step 4: Simplify right side
    13,760,886.80x = 190,435,335,427,572.72
  5. Step 5: Solve for x
    x = 190,435,335,427,572.72/13,760,886.80
  6. Step 6: Final answer
    x = 13,838,885.40

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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.