Home / 13,609,362.54-18,768,304.95-9,932,455.02

Finding the Fourth Proportional to 13,609,362.54, 18,768,304.95 and 9,932,455.02

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Solution

The fourth proportional to 13,609,362.54, 18,768,304.95 and 9,932,455.02 is: 13,697,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,362.54 : 18,768,304.95 = 9,932,455.02 : x
  2. Step 2: Convert to fraction form
    13,609,362.54/18,768,304.95 = 9,932,455.02/x
  3. Step 3: Cross multiply
    13,609,362.54x = 18,768,304.95 × 9,932,455.02
  4. Step 4: Simplify right side
    13,609,362.54x = 186,415,344,825,146.19
  5. Step 5: Solve for x
    x = 186,415,344,825,146.19/13,609,362.54
  6. Step 6: Final answer
    x = 13,697,580.93

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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.