Home / 13,995,979.80-20,993,969.70-5,918,076.60

Finding the Fourth Proportional to 13,995,979.80, 20,993,969.70 and 5,918,076.60

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Solution

The fourth proportional to 13,995,979.80, 20,993,969.70 and 5,918,076.60 is: 8,877,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995,979.80 : 20,993,969.70 = 5,918,076.60 : x
  2. Step 2: Convert to fraction form
    13,995,979.80/20,993,969.70 = 5,918,076.60/x
  3. Step 3: Cross multiply
    13,995,979.80x = 20,993,969.70 × 5,918,076.60
  4. Step 4: Simplify right side
    13,995,979.80x = 124,243,920,822,679
  5. Step 5: Solve for x
    x = 124,243,920,822,679/13,995,979.80
  6. Step 6: Final answer
    x = 8,877,114.90

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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.