Home / 13,609,287.60-20,413,931.40-12,223,604.40

Finding the Fourth Proportional to 13,609,287.60, 20,413,931.40 and 12,223,604.40

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Solution

The fourth proportional to 13,609,287.60, 20,413,931.40 and 12,223,604.40 is: 18,335,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,287.60 : 20,413,931.40 = 12,223,604.40 : x
  2. Step 2: Convert to fraction form
    13,609,287.60/20,413,931.40 = 12,223,604.40/x
  3. Step 3: Cross multiply
    13,609,287.60x = 20,413,931.40 × 12,223,604.40
  4. Step 4: Simplify right side
    13,609,287.60x = 249,531,821,682,338.16
  5. Step 5: Solve for x
    x = 249,531,821,682,338.16/13,609,287.60
  6. Step 6: Final answer
    x = 18,335,406.60

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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.