Home / 13,374,339.03-18,456,275.54-7,868,068.43

Finding the Fourth Proportional to 13,374,339.03, 18,456,275.54 and 7,868,068.43

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Solution

The fourth proportional to 13,374,339.03, 18,456,275.54 and 7,868,068.43 is: 10,857,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374,339.03 : 18,456,275.54 = 7,868,068.43 : x
  2. Step 2: Convert to fraction form
    13,374,339.03/18,456,275.54 = 7,868,068.43/x
  3. Step 3: Cross multiply
    13,374,339.03x = 18,456,275.54 × 7,868,068.43
  4. Step 4: Simplify right side
    13,374,339.03x = 145,215,238,839,044
  5. Step 5: Solve for x
    x = 145,215,238,839,044/13,374,339.03
  6. Step 6: Final answer
    x = 10,857,750.69

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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.