Home / 20,704,484.94-28,572,302.73-12,007,813.83

Finding the Fourth Proportional to 20,704,484.94, 28,572,302.73 and 12,007,813.83

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Solution

The fourth proportional to 20,704,484.94, 28,572,302.73 and 12,007,813.83 is: 16,570,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704,484.94 : 28,572,302.73 = 12,007,813.83 : x
  2. Step 2: Convert to fraction form
    20,704,484.94/28,572,302.73 = 12,007,813.83/x
  3. Step 3: Cross multiply
    20,704,484.94x = 28,572,302.73 × 12,007,813.83
  4. Step 4: Simplify right side
    20,704,484.94x = 343,090,891,876,240.75
  5. Step 5: Solve for x
    x = 343,090,891,876,240.75/20,704,484.94
  6. Step 6: Final answer
    x = 16,570,848.92

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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.