Home / 14,364,443.56-19,823,410.60-7,838,431.12

Finding the Fourth Proportional to 14,364,443.56, 19,823,410.60 and 7,838,431.12

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Solution

The fourth proportional to 14,364,443.56, 19,823,410.60 and 7,838,431.12 is: 10,817,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364,443.56 : 19,823,410.60 = 7,838,431.12 : x
  2. Step 2: Convert to fraction form
    14,364,443.56/19,823,410.60 = 7,838,431.12/x
  3. Step 3: Cross multiply
    14,364,443.56x = 19,823,410.60 × 7,838,431.12
  4. Step 4: Simplify right side
    14,364,443.56x = 155,384,438,551,577.88
  5. Step 5: Solve for x
    x = 155,384,438,551,577.88/14,364,443.56
  6. Step 6: Final answer
    x = 10,817,296.05

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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.