Home / 20,143,166.30-30,211,541.85-6,679,994.30

Finding the Fourth Proportional to 20,143,166.30, 30,211,541.85 and 6,679,994.30

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Solution

The fourth proportional to 20,143,166.30, 30,211,541.85 and 6,679,994.30 is: 10,018,927.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,143,166.30 : 30,211,541.85 = 6,679,994.30 : x
  2. Step 2: Convert to fraction form
    20,143,166.30/30,211,541.85 = 6,679,994.30/x
  3. Step 3: Cross multiply
    20,143,166.30x = 30,211,541.85 × 6,679,994.30
  4. Step 4: Simplify right side
    20,143,166.30x = 201,812,927,352,211.47
  5. Step 5: Solve for x
    x = 201,812,927,352,211.47/20,143,166.30
  6. Step 6: Final answer
    x = 10,018,927.73

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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.