Home / 13,366,516.56-18,445,813.80-7,254,947.76

Finding the Fourth Proportional to 13,366,516.56, 18,445,813.80 and 7,254,947.76

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Solution

The fourth proportional to 13,366,516.56, 18,445,813.80 and 7,254,947.76 is: 10,011,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,516.56 : 18,445,813.80 = 7,254,947.76 : x
  2. Step 2: Convert to fraction form
    13,366,516.56/18,445,813.80 = 7,254,947.76/x
  3. Step 3: Cross multiply
    13,366,516.56x = 18,445,813.80 × 7,254,947.76
  4. Step 4: Simplify right side
    13,366,516.56x = 133,823,415,509,687.09
  5. Step 5: Solve for x
    x = 133,823,415,509,687.09/13,366,516.56
  6. Step 6: Final answer
    x = 10,011,839.28

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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.