Home / 13,585,216-18,748,087.57-7,785,118.66

Finding the Fourth Proportional to 13,585,216, 18,748,087.57 and 7,785,118.66

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Solution

The fourth proportional to 13,585,216, 18,748,087.57 and 7,785,118.66 is: 10,743,744.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585,216 : 18,748,087.57 = 7,785,118.66 : x
  2. Step 2: Convert to fraction form
    13,585,216/18,748,087.57 = 7,785,118.66/x
  3. Step 3: Cross multiply
    13,585,216x = 18,748,087.57 × 7,785,118.66
  4. Step 4: Simplify right side
    13,585,216x = 145,956,086,380,521.06
  5. Step 5: Solve for x
    x = 145,956,086,380,521.06/13,585,216
  6. Step 6: Final answer
    x = 10,743,744.26

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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.