Home / 13,087,430.23-18,055,978.82-7,577,797.68

Finding the Fourth Proportional to 13,087,430.23, 18,055,978.82 and 7,577,797.68

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Solution

The fourth proportional to 13,087,430.23, 18,055,978.82 and 7,577,797.68 is: 10,454,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087,430.23 : 18,055,978.82 = 7,577,797.68 : x
  2. Step 2: Convert to fraction form
    13,087,430.23/18,055,978.82 = 7,577,797.68/x
  3. Step 3: Cross multiply
    13,087,430.23x = 18,055,978.82 × 7,577,797.68
  4. Step 4: Simplify right side
    13,087,430.23x = 136,824,554,412,325.14
  5. Step 5: Solve for x
    x = 136,824,554,412,325.14/13,087,430.23
  6. Step 6: Final answer
    x = 10,454,653.97

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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.