Home / 40,282,493.84-60,423,685.86-18,705,296.60

Finding the Fourth Proportional to 40,282,493.84, 60,423,685.86 and 18,705,296.60

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Solution

The fourth proportional to 40,282,493.84, 60,423,685.86 and 18,705,296.60 is: 28,057,919.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,282,493.84 : 60,423,685.86 = 18,705,296.60 : x
  2. Step 2: Convert to fraction form
    40,282,493.84/60,423,685.86 = 18,705,296.60/x
  3. Step 3: Cross multiply
    40,282,493.84x = 60,423,685.86 × 18,705,296.60
  4. Step 4: Simplify right side
    40,282,493.84x = 1,130,242,965,676,526.25
  5. Step 5: Solve for x
    x = 1,130,242,965,676,526.25/40,282,493.84
  6. Step 6: Final answer
    x = 28,057,919.41

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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.