Home / 20,169,072.90-30,253,609.35-5,023,004.40

Finding the Fourth Proportional to 20,169,072.90, 30,253,609.35 and 5,023,004.40

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Solution

The fourth proportional to 20,169,072.90, 30,253,609.35 and 5,023,004.40 is: 7,534,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169,072.90 : 30,253,609.35 = 5,023,004.40 : x
  2. Step 2: Convert to fraction form
    20,169,072.90/30,253,609.35 = 5,023,004.40/x
  3. Step 3: Cross multiply
    20,169,072.90x = 30,253,609.35 × 5,023,004.40
  4. Step 4: Simplify right side
    20,169,072.90x = 151,964,012,880,931.16
  5. Step 5: Solve for x
    x = 151,964,012,880,931.16/20,169,072.90
  6. Step 6: Final answer
    x = 7,534,506.60

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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.