Home / 20,656,532.10-30,985,964.55-6,280,068.90

Finding the Fourth Proportional to 20,656,532.10, 30,985,964.55 and 6,280,068.90

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Solution

The fourth proportional to 20,656,532.10, 30,985,964.55 and 6,280,068.90 is: 9,420,457.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656,532.10 : 30,985,964.55 = 6,280,068.90 : x
  2. Step 2: Convert to fraction form
    20,656,532.10/30,985,964.55 = 6,280,068.90/x
  3. Step 3: Cross multiply
    20,656,532.10x = 30,985,964.55 × 6,280,068.90
  4. Step 4: Simplify right side
    20,656,532.10x = 194,593,992,306,957.50
  5. Step 5: Solve for x
    x = 194,593,992,306,957.50/20,656,532.10
  6. Step 6: Final answer
    x = 9,420,457.96

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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.