Home / 20,160,172.10-30,240,258.15-6,697,000.10

Finding the Fourth Proportional to 20,160,172.10, 30,240,258.15 and 6,697,000.10

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Solution

The fourth proportional to 20,160,172.10, 30,240,258.15 and 6,697,000.10 is: 10,045,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,172.10 : 30,240,258.15 = 6,697,000.10 : x
  2. Step 2: Convert to fraction form
    20,160,172.10/30,240,258.15 = 6,697,000.10/x
  3. Step 3: Cross multiply
    20,160,172.10x = 30,240,258.15 × 6,697,000.10
  4. Step 4: Simplify right side
    20,160,172.10x = 202,519,011,854,575.78
  5. Step 5: Solve for x
    x = 202,519,011,854,575.78/20,160,172.10
  6. Step 6: Final answer
    x = 10,045,500.15

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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.