Home / 19,427,431.32-26,809,895.03-10,725,620.76

Finding the Fourth Proportional to 19,427,431.32, 26,809,895.03 and 10,725,620.76

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Solution

The fourth proportional to 19,427,431.32, 26,809,895.03 and 10,725,620.76 is: 14,801,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427,431.32 : 26,809,895.03 = 10,725,620.76 : x
  2. Step 2: Convert to fraction form
    19,427,431.32/26,809,895.03 = 10,725,620.76/x
  3. Step 3: Cross multiply
    19,427,431.32x = 26,809,895.03 × 10,725,620.76
  4. Step 4: Simplify right side
    19,427,431.32x = 287,552,766,653,560.69
  5. Step 5: Solve for x
    x = 287,552,766,653,560.69/19,427,431.32
  6. Step 6: Final answer
    x = 14,801,378.62

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1.5x scale

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.