Home / 12,806,001.54-17,678,237.58-7,577,365.68

Finding the Fourth Proportional to 12,806,001.54, 17,678,237.58 and 7,577,365.68

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Solution

The fourth proportional to 12,806,001.54, 17,678,237.58 and 7,577,365.68 is: 10,460,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806,001.54 : 17,678,237.58 = 7,577,365.68 : x
  2. Step 2: Convert to fraction form
    12,806,001.54/17,678,237.58 = 7,577,365.68/x
  3. Step 3: Cross multiply
    12,806,001.54x = 17,678,237.58 × 7,577,365.68
  4. Step 4: Simplify right side
    12,806,001.54x = 133,954,470,721,578.23
  5. Step 5: Solve for x
    x = 133,954,470,721,578.23/12,806,001.54
  6. Step 6: Final answer
    x = 10,460,288.51

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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.