Home / 20,333,431.84-30,506,051.12-8,196,631.84

Finding the Fourth Proportional to 20,333,431.84, 30,506,051.12 and 8,196,631.84

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Solution

The fourth proportional to 20,333,431.84, 30,506,051.12 and 8,196,631.84 is: 12,297,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333,431.84 : 30,506,051.12 = 8,196,631.84 : x
  2. Step 2: Convert to fraction form
    20,333,431.84/30,506,051.12 = 8,196,631.84/x
  3. Step 3: Cross multiply
    20,333,431.84x = 30,506,051.12 × 8,196,631.84
  4. Step 4: Simplify right side
    20,333,431.84x = 250,046,869,922,859.66
  5. Step 5: Solve for x
    x = 250,046,869,922,859.66/20,333,431.84
  6. Step 6: Final answer
    x = 12,297,327.47

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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.