Home / 13,366,362.69-18,445,087.13-7,254,659.97

Finding the Fourth Proportional to 13,366,362.69, 18,445,087.13 and 7,254,659.97

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Solution

The fourth proportional to 13,366,362.69, 18,445,087.13 and 7,254,659.97 is: 10,011,162.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,362.69 : 18,445,087.13 = 7,254,659.97 : x
  2. Step 2: Convert to fraction form
    13,366,362.69/18,445,087.13 = 7,254,659.97/x
  3. Step 3: Cross multiply
    13,366,362.69x = 18,445,087.13 × 7,254,659.97
  4. Step 4: Simplify right side
    13,366,362.69x = 133,812,835,208,899.88
  5. Step 5: Solve for x
    x = 133,812,835,208,899.88/13,366,362.69
  6. Step 6: Final answer
    x = 10,011,162.97

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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.