Home / 10,780,821.80-16,133,907.90-9,885,026.60

Finding the Fourth Proportional to 10,780,821.80, 16,133,907.90 and 9,885,026.60

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Solution

The fourth proportional to 10,780,821.80, 16,133,907.90 and 9,885,026.60 is: 14,793,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,821.80 : 16,133,907.90 = 9,885,026.60 : x
  2. Step 2: Convert to fraction form
    10,780,821.80/16,133,907.90 = 9,885,026.60/x
  3. Step 3: Cross multiply
    10,780,821.80x = 16,133,907.90 × 9,885,026.60
  4. Step 4: Simplify right side
    10,780,821.80x = 159,484,108,753,450.12
  5. Step 5: Solve for x
    x = 159,484,108,753,450.12/10,780,821.80
  6. Step 6: Final answer
    x = 14,793,316.48

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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.