Home / 13,162,663.95-19,727,824.54-7,393,269.72

Finding the Fourth Proportional to 13,162,663.95, 19,727,824.54 and 7,393,269.72

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Solution

The fourth proportional to 13,162,663.95, 19,727,824.54 and 7,393,269.72 is: 11,080,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,162,663.95 : 19,727,824.54 = 7,393,269.72 : x
  2. Step 2: Convert to fraction form
    13,162,663.95/19,727,824.54 = 7,393,269.72/x
  3. Step 3: Cross multiply
    13,162,663.95x = 19,727,824.54 × 7,393,269.72
  4. Step 4: Simplify right side
    13,162,663.95x = 145,853,127,813,054.91
  5. Step 5: Solve for x
    x = 145,853,127,813,054.91/13,162,663.95
  6. Step 6: Final answer
    x = 11,080,821.36

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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.