Home / 28,611,244.42-39,484,555.58-16,390,463.38

Finding the Fourth Proportional to 28,611,244.42, 39,484,555.58 and 16,390,463.38

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Solution

The fourth proportional to 28,611,244.42, 39,484,555.58 and 16,390,463.38 is: 22,619,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,611,244.42 : 39,484,555.58 = 16,390,463.38 : x
  2. Step 2: Convert to fraction form
    28,611,244.42/39,484,555.58 = 16,390,463.38/x
  3. Step 3: Cross multiply
    28,611,244.42x = 39,484,555.58 × 16,390,463.38
  4. Step 4: Simplify right side
    28,611,244.42x = 647,170,162,309,564.62
  5. Step 5: Solve for x
    x = 647,170,162,309,564.62/28,611,244.42
  6. Step 6: Final answer
    x = 22,619,434.26

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1.5x scale

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.