Home / 20,710,471.01-28,574,116.40-12,006,906.80

Finding the Fourth Proportional to 20,710,471.01, 28,574,116.40 and 12,006,906.80

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Solution

The fourth proportional to 20,710,471.01, 28,574,116.40 and 12,006,906.80 is: 16,565,859.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,471.01 : 28,574,116.40 = 12,006,906.80 : x
  2. Step 2: Convert to fraction form
    20,710,471.01/28,574,116.40 = 12,006,906.80/x
  3. Step 3: Cross multiply
    20,710,471.01x = 28,574,116.40 × 12,006,906.80
  4. Step 4: Simplify right side
    20,710,471.01x = 343,086,752,394,298.19
  5. Step 5: Solve for x
    x = 343,086,752,394,298.19/20,710,471.01
  6. Step 6: Final answer
    x = 16,565,859.48

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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.