Home / 20,710,350.93-28,573,950.79-12,006,786.52

Finding the Fourth Proportional to 20,710,350.93, 28,573,950.79 and 12,006,786.52

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Solution

The fourth proportional to 20,710,350.93, 28,573,950.79 and 12,006,786.52 is: 16,565,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,350.93 : 28,573,950.79 = 12,006,786.52 : x
  2. Step 2: Convert to fraction form
    20,710,350.93/28,573,950.79 = 12,006,786.52/x
  3. Step 3: Cross multiply
    20,710,350.93x = 28,573,950.79 × 12,006,786.52
  4. Step 4: Simplify right side
    20,710,350.93x = 343,081,327,168,515.31
  5. Step 5: Solve for x
    x = 343,081,327,168,515.31/20,710,350.93
  6. Step 6: Final answer
    x = 16,565,693.57

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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.