Home / 13,886,134.56-19,162,651.68-7,774,781.76

Finding the Fourth Proportional to 13,886,134.56, 19,162,651.68 and 7,774,781.76

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Solution

The fourth proportional to 13,886,134.56, 19,162,651.68 and 7,774,781.76 is: 10,729,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,134.56 : 19,162,651.68 = 7,774,781.76 : x
  2. Step 2: Convert to fraction form
    13,886,134.56/19,162,651.68 = 7,774,781.76/x
  3. Step 3: Cross multiply
    13,886,134.56x = 19,162,651.68 × 7,774,781.76
  4. Step 4: Simplify right side
    13,886,134.56x = 148,985,434,754,897.34
  5. Step 5: Solve for x
    x = 148,985,434,754,897.34/13,886,134.56
  6. Step 6: Final answer
    x = 10,729,079.00

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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.