Home / 40,419,074.80-60,628,612.20-11,666,148.40

Finding the Fourth Proportional to 40,419,074.80, 60,628,612.20 and 11,666,148.40

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Solution

The fourth proportional to 40,419,074.80, 60,628,612.20 and 11,666,148.40 is: 17,499,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419,074.80 : 60,628,612.20 = 11,666,148.40 : x
  2. Step 2: Convert to fraction form
    40,419,074.80/60,628,612.20 = 11,666,148.40/x
  3. Step 3: Cross multiply
    40,419,074.80x = 60,628,612.20 × 11,666,148.40
  4. Step 4: Simplify right side
    40,419,074.80x = 707,302,387,211,250.50
  5. Step 5: Solve for x
    x = 707,302,387,211,250.50/40,419,074.80
  6. Step 6: Final answer
    x = 17,499,222.60

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Similar ratio
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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.