Home / 20,020,091.40-30,030,137.10-7,242,568.20

Finding the Fourth Proportional to 20,020,091.40, 30,030,137.10 and 7,242,568.20

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Solution

The fourth proportional to 20,020,091.40, 30,030,137.10 and 7,242,568.20 is: 10,863,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020,091.40 : 30,030,137.10 = 7,242,568.20 : x
  2. Step 2: Convert to fraction form
    20,020,091.40/30,030,137.10 = 7,242,568.20/x
  3. Step 3: Cross multiply
    20,020,091.40x = 30,030,137.10 × 7,242,568.20
  4. Step 4: Simplify right side
    20,020,091.40x = 217,495,316,002,100.25
  5. Step 5: Solve for x
    x = 217,495,316,002,100.25/20,020,091.40
  6. Step 6: Final answer
    x = 10,863,852.30

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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.