Home / 13,789,597.92-19,028,236.98-8,490,451.32

Finding the Fourth Proportional to 13,789,597.92, 19,028,236.98 and 8,490,451.32

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Solution

The fourth proportional to 13,789,597.92, 19,028,236.98 and 8,490,451.32 is: 11,715,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789,597.92 : 19,028,236.98 = 8,490,451.32 : x
  2. Step 2: Convert to fraction form
    13,789,597.92/19,028,236.98 = 8,490,451.32/x
  3. Step 3: Cross multiply
    13,789,597.92x = 19,028,236.98 × 8,490,451.32
  4. Step 4: Simplify right side
    13,789,597.92x = 161,558,319,784,113.81
  5. Step 5: Solve for x
    x = 161,558,319,784,113.81/13,789,597.92
  6. Step 6: Final answer
    x = 11,715,955.80

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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.