Home / 13,442,938.40-20,164,407.60-4,467,490.40

Finding the Fourth Proportional to 13,442,938.40, 20,164,407.60 and 4,467,490.40

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Solution

The fourth proportional to 13,442,938.40, 20,164,407.60 and 4,467,490.40 is: 6,701,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442,938.40 : 20,164,407.60 = 4,467,490.40 : x
  2. Step 2: Convert to fraction form
    13,442,938.40/20,164,407.60 = 4,467,490.40/x
  3. Step 3: Cross multiply
    13,442,938.40x = 20,164,407.60 × 4,467,490.40
  4. Step 4: Simplify right side
    13,442,938.40x = 90,084,297,374,687.05
  5. Step 5: Solve for x
    x = 90,084,297,374,687.05/13,442,938.40
  6. Step 6: Final answer
    x = 6,701,235.60

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1.5x scale

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.