Home / 10,766,816.89-16,153,724.53-7,187,135.29

Finding the Fourth Proportional to 10,766,816.89, 16,153,724.53 and 7,187,135.29

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Solution

The fourth proportional to 10,766,816.89, 16,153,724.53 and 7,187,135.29 is: 10,783,038.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766,816.89 : 16,153,724.53 = 7,187,135.29 : x
  2. Step 2: Convert to fraction form
    10,766,816.89/16,153,724.53 = 7,187,135.29/x
  3. Step 3: Cross multiply
    10,766,816.89x = 16,153,724.53 × 7,187,135.29
  4. Step 4: Simplify right side
    10,766,816.89x = 116,099,003,634,501.66
  5. Step 5: Solve for x
    x = 116,099,003,634,501.66/10,766,816.89
  6. Step 6: Final answer
    x = 10,783,038.74

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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.