Home / 20,710,472.01-28,574,117.78-12,006,907.80

Finding the Fourth Proportional to 20,710,472.01, 28,574,117.78 and 12,006,907.80

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Solution

The fourth proportional to 20,710,472.01, 28,574,117.78 and 12,006,907.80 is: 16,565,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,472.01 : 28,574,117.78 = 12,006,907.80 : x
  2. Step 2: Convert to fraction form
    20,710,472.01/28,574,117.78 = 12,006,907.80/x
  3. Step 3: Cross multiply
    20,710,472.01x = 28,574,117.78 × 12,006,907.80
  4. Step 4: Simplify right side
    20,710,472.01x = 343,086,797,650,800.75
  5. Step 5: Solve for x
    x = 343,086,797,650,800.75/20,710,472.01
  6. Step 6: Final answer
    x = 16,565,860.86

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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.