Home / 18,729,629.03-25,845,450.05-11,386,443.02

Finding the Fourth Proportional to 18,729,629.03, 25,845,450.05 and 11,386,443.02

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Solution

The fourth proportional to 18,729,629.03, 25,845,450.05 and 11,386,443.02 is: 15,712,417.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729,629.03 : 25,845,450.05 = 11,386,443.02 : x
  2. Step 2: Convert to fraction form
    18,729,629.03/25,845,450.05 = 11,386,443.02/x
  3. Step 3: Cross multiply
    18,729,629.03x = 25,845,450.05 × 11,386,443.02
  4. Step 4: Simplify right side
    18,729,629.03x = 294,287,744,219,820
  5. Step 5: Solve for x
    x = 294,287,744,219,820/18,729,629.03
  6. Step 6: Final answer
    x = 15,712,417.14

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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.