Home / 42,711,611.20-64,067,416.80-10,798,907.20

Finding the Fourth Proportional to 42,711,611.20, 64,067,416.80 and 10,798,907.20

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Solution

The fourth proportional to 42,711,611.20, 64,067,416.80 and 10,798,907.20 is: 16,198,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,711,611.20 : 64,067,416.80 = 10,798,907.20 : x
  2. Step 2: Convert to fraction form
    42,711,611.20/64,067,416.80 = 10,798,907.20/x
  3. Step 3: Cross multiply
    42,711,611.20x = 64,067,416.80 × 10,798,907.20
  4. Step 4: Simplify right side
    42,711,611.20x = 691,858,088,566,920.88
  5. Step 5: Solve for x
    x = 691,858,088,566,920.88/42,711,611.20
  6. Step 6: Final answer
    x = 16,198,360.80

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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.