Home / 20,210,880.70-30,335,347.95-10,633,132.90

Finding the Fourth Proportional to 20,210,880.70, 30,335,347.95 and 10,633,132.90

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Solution

The fourth proportional to 20,210,880.70, 30,335,347.95 and 10,633,132.90 is: 15,959,709.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210,880.70 : 30,335,347.95 = 10,633,132.90 : x
  2. Step 2: Convert to fraction form
    20,210,880.70/30,335,347.95 = 10,633,132.90/x
  3. Step 3: Cross multiply
    20,210,880.70x = 30,335,347.95 × 10,633,132.90
  4. Step 4: Simplify right side
    20,210,880.70x = 322,559,786,320,092.56
  5. Step 5: Solve for x
    x = 322,559,786,320,092.56/20,210,880.70
  6. Step 6: Final answer
    x = 15,959,709.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.