Home / 12,354,615.60-18,531,923.40-9,165,969.60

Finding the Fourth Proportional to 12,354,615.60, 18,531,923.40 and 9,165,969.60

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Solution

The fourth proportional to 12,354,615.60, 18,531,923.40 and 9,165,969.60 is: 13,748,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354,615.60 : 18,531,923.40 = 9,165,969.60 : x
  2. Step 2: Convert to fraction form
    12,354,615.60/18,531,923.40 = 9,165,969.60/x
  3. Step 3: Cross multiply
    12,354,615.60x = 18,531,923.40 × 9,165,969.60
  4. Step 4: Simplify right side
    12,354,615.60x = 169,863,046,513,928.62
  5. Step 5: Solve for x
    x = 169,863,046,513,928.62/12,354,615.60
  6. Step 6: Final answer
    x = 13,748,954.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.