Home / 13,010,536.89-17,954,934.54-7,208,775.81

Finding the Fourth Proportional to 13,010,536.89, 17,954,934.54 and 7,208,775.81

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Solution

The fourth proportional to 13,010,536.89, 17,954,934.54 and 7,208,775.81 is: 9,948,328.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010,536.89 : 17,954,934.54 = 7,208,775.81 : x
  2. Step 2: Convert to fraction form
    13,010,536.89/17,954,934.54 = 7,208,775.81/x
  3. Step 3: Cross multiply
    13,010,536.89x = 17,954,934.54 × 7,208,775.81
  4. Step 4: Simplify right side
    13,010,536.89x = 129,433,097,782,085.47
  5. Step 5: Solve for x
    x = 129,433,097,782,085.47/13,010,536.89
  6. Step 6: Final answer
    x = 9,948,328.72

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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.