Home / 9,965,113.31-13,751,856.27-5,381,434.28

Finding the Fourth Proportional to 9,965,113.31, 13,751,856.27 and 5,381,434.28

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Solution

The fourth proportional to 9,965,113.31, 13,751,856.27 and 5,381,434.28 is: 7,426,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965,113.31 : 13,751,856.27 = 5,381,434.28 : x
  2. Step 2: Convert to fraction form
    9,965,113.31/13,751,856.27 = 5,381,434.28/x
  3. Step 3: Cross multiply
    9,965,113.31x = 13,751,856.27 × 5,381,434.28
  4. Step 4: Simplify right side
    9,965,113.31x = 74,004,710,676,251.66
  5. Step 5: Solve for x
    x = 74,004,710,676,251.66/9,965,113.31
  6. Step 6: Final answer
    x = 7,426,379.25

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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.