Home / 10,766,818.90-16,153,727.54-7,187,137.30

Finding the Fourth Proportional to 10,766,818.90, 16,153,727.54 and 7,187,137.30

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Solution

The fourth proportional to 10,766,818.90, 16,153,727.54 and 7,187,137.30 is: 10,783,041.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766,818.90 : 16,153,727.54 = 7,187,137.30 : x
  2. Step 2: Convert to fraction form
    10,766,818.90/16,153,727.54 = 7,187,137.30/x
  3. Step 3: Cross multiply
    10,766,818.90x = 16,153,727.54 × 7,187,137.30
  4. Step 4: Simplify right side
    10,766,818.90x = 116,099,057,736,771.23
  5. Step 5: Solve for x
    x = 116,099,057,736,771.23/10,766,818.90
  6. Step 6: Final answer
    x = 10,783,041.75

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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.