Home / 16,916,663.90-23,345,013.45-9,181,707.81

Finding the Fourth Proportional to 16,916,663.90, 23,345,013.45 and 9,181,707.81

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Solution

The fourth proportional to 16,916,663.90, 23,345,013.45 and 9,181,707.81 is: 12,670,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916,663.90 : 23,345,013.45 = 9,181,707.81 : x
  2. Step 2: Convert to fraction form
    16,916,663.90/23,345,013.45 = 9,181,707.81/x
  3. Step 3: Cross multiply
    16,916,663.90x = 23,345,013.45 × 9,181,707.81
  4. Step 4: Simplify right side
    16,916,663.90x = 214,347,092,318,420.06
  5. Step 5: Solve for x
    x = 214,347,092,318,420.06/16,916,663.90
  6. Step 6: Final answer
    x = 12,670,766.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.