Home / 21,243,390.62-31,744,153.02-15,950,723.67

Finding the Fourth Proportional to 21,243,390.62, 31,744,153.02 and 15,950,723.67

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Solution

The fourth proportional to 21,243,390.62, 31,744,153.02 and 15,950,723.67 is: 23,835,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,243,390.62 : 31,744,153.02 = 15,950,723.67 : x
  2. Step 2: Convert to fraction form
    21,243,390.62/31,744,153.02 = 15,950,723.67/x
  3. Step 3: Cross multiply
    21,243,390.62x = 31,744,153.02 × 15,950,723.67
  4. Step 4: Simplify right side
    21,243,390.62x = 506,342,212,960,216
  5. Step 5: Solve for x
    x = 506,342,212,960,216/21,243,390.62
  6. Step 6: Final answer
    x = 23,835,282.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.