Home / 28,611,207.62-39,484,504.83-16,390,426.58

Finding the Fourth Proportional to 28,611,207.62, 39,484,504.83 and 16,390,426.58

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Solution

The fourth proportional to 28,611,207.62, 39,484,504.83 and 16,390,426.58 is: 22,619,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,611,207.62 : 39,484,504.83 = 16,390,426.58 : x
  2. Step 2: Convert to fraction form
    28,611,207.62/39,484,504.83 = 16,390,426.58/x
  3. Step 3: Cross multiply
    28,611,207.62x = 39,484,504.83 × 16,390,426.58
  4. Step 4: Simplify right side
    28,611,207.62x = 647,167,877,463,770.38
  5. Step 5: Solve for x
    x = 647,167,877,463,770.38/28,611,207.62
  6. Step 6: Final answer
    x = 22,619,383.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.