Home / 5,389,666.80-8,084,500.20-4,999,943.40

Finding the Fourth Proportional to 5,389,666.80, 8,084,500.20 and 4,999,943.40

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Solution

The fourth proportional to 5,389,666.80, 8,084,500.20 and 4,999,943.40 is: 7,499,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,666.80 : 8,084,500.20 = 4,999,943.40 : x
  2. Step 2: Convert to fraction form
    5,389,666.80/8,084,500.20 = 4,999,943.40/x
  3. Step 3: Cross multiply
    5,389,666.80x = 8,084,500.20 × 4,999,943.40
  4. Step 4: Simplify right side
    5,389,666.80x = 40,422,043,417,288.69
  5. Step 5: Solve for x
    x = 40,422,043,417,288.69/5,389,666.80
  6. Step 6: Final answer
    x = 7,499,915.10

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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.