Home / 13,173,860.79-18,179,536.59-7,293,756.51

Finding the Fourth Proportional to 13,173,860.79, 18,179,536.59 and 7,293,756.51

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Solution

The fourth proportional to 13,173,860.79, 18,179,536.59 and 7,293,756.51 is: 10,065,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,860.79 : 18,179,536.59 = 7,293,756.51 : x
  2. Step 2: Convert to fraction form
    13,173,860.79/18,179,536.59 = 7,293,756.51/x
  3. Step 3: Cross multiply
    13,173,860.79x = 18,179,536.59 × 7,293,756.51
  4. Step 4: Simplify right side
    13,173,860.79x = 132,597,113,352,095.70
  5. Step 5: Solve for x
    x = 132,597,113,352,095.70/13,173,860.79
  6. Step 6: Final answer
    x = 10,065,167.34

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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.