Home / 8,085,283.80-12,127,925.70-5,380,839.60

Finding the Fourth Proportional to 8,085,283.80, 12,127,925.70 and 5,380,839.60

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Solution

The fourth proportional to 8,085,283.80, 12,127,925.70 and 5,380,839.60 is: 8,071,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,283.80 : 12,127,925.70 = 5,380,839.60 : x
  2. Step 2: Convert to fraction form
    8,085,283.80/12,127,925.70 = 5,380,839.60/x
  3. Step 3: Cross multiply
    8,085,283.80x = 12,127,925.70 × 5,380,839.60
  4. Step 4: Simplify right side
    8,085,283.80x = 65,258,422,872,417.71
  5. Step 5: Solve for x
    x = 65,258,422,872,417.71/8,085,283.80
  6. Step 6: Final answer
    x = 8,071,259.40

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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.