Home / 28,703,464.38-39,611,434.35-16,311,605.26

Finding the Fourth Proportional to 28,703,464.38, 39,611,434.35 and 16,311,605.26

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Solution

The fourth proportional to 28,703,464.38, 39,611,434.35 and 16,311,605.26 is: 22,510,386.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,703,464.38 : 39,611,434.35 = 16,311,605.26 : x
  2. Step 2: Convert to fraction form
    28,703,464.38/39,611,434.35 = 16,311,605.26/x
  3. Step 3: Cross multiply
    28,703,464.38x = 39,611,434.35 × 16,311,605.26
  4. Step 4: Simplify right side
    28,703,464.38x = 646,126,080,899,604.75
  5. Step 5: Solve for x
    x = 646,126,080,899,604.75/28,703,464.38
  6. Step 6: Final answer
    x = 22,510,386.63

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Double scale
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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.